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Time & Distance CAT Previous Year Questions with Answer PDF

Time & Distance CAT Previous Year Questions with Answer PDF

Q1: Two trains cross each other in 14 seconds when running in opposite directions along parallel tracks. The faster train is 160 m long and crosses a lamp post in 12 seconds. If the speed of the other train is 6 km/hr less than the faster one, its length, in m, is    [2021]
(a) 
184
(b) 192
(c) 190
(d) 180
Ans: (c)
Speed of the faster train = 160/12 = 40/3 m/s
Speed of the slower train = Time & Distance CAT Previous Year Questions with Answer PDF
Sum of speeds (when the trains travel towards each other) = Time & Distance CAT Previous Year Questions with Answer PDF
Let the slower train be xx metres long; then: Time & Distance CAT Previous Year Questions with Answer PDF
On solving, x = 190 m

Q2: Two trains A and B were moving in opposite directions, their speeds being in the ratio 5 : 3. The front end of A crossed the rear end of B 46 seconds after the front ends of the trains had crossed each other. It took another 69 seconds for the rear ends of the trains to cross each other. The ratio of length of train A to that of train B is    [2021]
(a)
3 : 2
(b) 5 : 3
(c) 2 : 3
(d) 2 : 1
Ans: (a)
Considering the length of train A = La, length of train B = Lb.
The speed of train A be 5x, speed of train B be 3x.
From the information provided :
The front end of A crossed the rear end of B 46 seconds after the front ends of the trains had crossed each other.
In this case, train A traveled a distance equivalent to the length of train B which is Lb at a speed of 5x + 3x = 8x because both the trains are traveling in the opposite direction.
Hence (8x) x (46) = Lb.
In the information provided :
It took another 69 seconds for the rear ends of the trains to cross each other.
In the next 69 seconds
The train B traveled a distance equivalent to the length of train A in this 69 seconds.
Hence (8x) x (69) = La.
La/Lb = 69/46 = 3/2 = 3 : 2

Q3: Mira and Amal walk along a circular track, starting from the same point at the same time. If they walk in the same direction, then in 45 minutes, Amal completes exactly 3 more rounds than Mira. If they walk in opposite directions, then they meet for the first time exactly after 3 minutes. The number of rounds Mira walks in one hour is    [2021]
Ans: 8
Considering the distance travelled by Mira in one minute = M,
The distance traveled by Amal in one minute = A.
Given if they walk in the opposite direction it takes 3 minutes for both of them to meet. Hence 3 x (A+M) = C. (1)
C is the circumference of the circle.
Similarly, it is mentioned that if both of them walk in the same direction Amal completes 3 more rounds than Mira :
Hence 45 x (A-M) = 3C. (2)
Multiplying (1)*15 we have :
45A + 45M = 15C.
45A - 45M = 3C.
Adding the two we have A = 18C/90
Subtracting the two M = 12C/90
Since Mira travels 12C/90 in one minute, in one hour she travels 12C/90 . 60 = 8C
Hence a total of 8 rounds.

Q4: Two persons are walking beside a railway track at respective speeds of 2 and 4 km per hour in the same direction. A train came from behind them and crossed them in 90 and 100 seconds, respectively. The time, in seconds, taken by the train to cross an electric post is nearest to    [2020]
(a)
87
(b) 82
(c) 75
(d) 78

Ans: (b)
Let the length of the train be l and its speed be s. Given
Time & Distance CAT Previous Year Questions with Answer PDF
Time & Distance CAT Previous Year Questions with Answer PDF
∴ Length of the train =500 m.
Hence the required time to cross a lamp post = Time & Distance CAT Previous Year Questions with Answer PDF
i.e. 81.81 (or) 82 sec.

Q5: A straight road connects points A and B. Car 1 travels from A to B and Car 2 travels from B to A, both leaving at the same time. After meeting each other, they take 45 minutes and 20 minutes, respectively, to complete their journeys. If Car 1 travels at the speed of 60 km/hr, then the speed of Car 2, in km/hr, is    [2020]
(a) 
90
(b) 100
(c) 80
(d) 70
Ans: (a)
In this particular case, we know Ratio of speeds = Time & Distance CAT Previous Year Questions with Answer PDF
C1 : C2 = √20 : 45 i.e., 2: 3
As the speed of Car C1 is 60 kmph, the speed of Car C2 is 90 kmph

Q6: A train travelled at one-thirds of its usual speed, and hence reached the destination 30 minutes after the scheduled time. On its return journey, the train initially travelled at its usual speed for 5 minutes but then stopped for 4 minutes for an emergency. The percentage by which the train must now increase its usual speed so as to reach the destination at the scheduled time, is nearest to    [2020]
(a) 58
(b) 67
(c) 61
(d) 50

Ans: (b)
Let the usual speed of the train be s and time taken at that speed be 't'.
Given by travelling at s/3, it reached 30 min late. Hence the usual time:
Distance travelled = s x t
Distance travelled in the first 5min = s  x  t / 3. D
Distance to be travelled in the last 6min = 2 st / 3
Required speed to cover that distance on time = Time & Distance CAT Previous Year Questions with Answer PDF
Hence the percentage increase in its speed = (2 / 3) x 100
i.e., Time & Distance CAT Previous Year Questions with Answer PDF

Q7: Leaving home at the same time, Amal reaches office at 10: 15 am if he travels at 8 km/hr, and at 9: 40 am if he travels at 15 km/hr. Leaving home at 9: 10 am, at what speed, in km/hr, must he travel so as to reach office exactly at 10 am?    [2020]
(a) 
13
(b) 14
(c) 12
(d) 11
Ans: (c)
Let the speed in the first two cases be s and the distance be "d'. Given,
d/8 - d/15 = 35/60 ⇒ d = 10km
Required speed = 10/50/60 = 12kmph

Q8: In a car race, car A beats car B by 45 km, car B beats car C by 50 km, and car A beats car C by 90 km. The distance (in km) over which the race has been conducted is    [2020] 
(a) 500
(b) 475
(c) 550
(d) 450
Ans: (d)
Let the length of the racetrack be D.
When A covers D km, B covers ( D -45) km and C covers (D-90) km
When B covers D km, C covers ( D -50) km
The ratio of the speeds of the racers is same as the ratio of the distance travelled in a given time period.
Ratio of speed of B and C is Time & Distance CAT Previous Year Questions with Answer PDF
Time & Distance CAT Previous Year Questions with Answer PDF
⇒ 40D = 45D - 50 x 45
⇒ D = 450

Q9: Vimla starts for office every day at 9 am and reaches exactly on time if she drives at her usual speed of 40 km/hr. She is late by 6 minutes if she drives at 35 km/hr. One day, she covers two-thirds of her distance to office in one-thirds of her usual time to reach office, and then stops for 8 minutes. The speed, in km/hr, at which she should drive the remaining distance to reach office exactly on time is    [2020]
(a) 
29
(b) 27
(c) 28
(d) 26
Ans: (c)
Let the original time taken by Vimla be t minutes 40t / 60 = 35 x (t + 6) / 60
⇒ t = 35 x 6/5 = 42min
The distance to office =28 km
Required answer = Time & Distance CAT Previous Year Questions with Answer PDF
= 28 kmph

Q10: A and B are two railway stations 90 km apart. A train leaves A at 9:00 am, heading towards B at a speed of 40 km/hr. Another train leaves B at 10:30 am, heading towards A at a speed of 20 km/hr. The trains meet each other at    [2020]
(a) 
11 : 45 am
(b) 10 : 45 am
(c) 11 : 20 am
(d) 11 : 00 am
Ans: (d)
The distance travelled by A before B starts his journey = 40 x 1.5 = 60
The time taken by them to meet each other = 90-60 / 40+20 = 30/60 = 0.5 hours
Required answer =10: 30 a.m. +30 min =11: 00 a.m.

Q11: A cyclist leaves A at 10 am and reaches B at 11 am. Starting from 10:01 am, every minute a motorcycle leaves A and moves towards B. Forty-five such motorcycles reach B by 11 am. All motorcycles have the same speed. If the cyclist had doubled his speed, how many motorcycles would have reached B by the time the cyclist reached B?    [2019]
(a) 22
(b) 20
(c) 15
(d) 23
Ans: 
(c)
It is given that the cyclist starts at 10:00 am from A and reaches B at 11:00 am
Now, Motorcyclists start every minute from 10:01 am, and 45 such motorcyclists reach B before 11:00 am
If they leave one by one every minute, the 45th motorcyclist would have left by 10:45 am to reach B at 11:00 am.
Thus, time taken by one motorcyclist to reach B from A = 15 minutes.
Now, the cyclist doubles his speed. This means, he reaches B at 10:30 am
So, the last motorcyclist should have left A by 10:15 am
Thus, 15 motorcyclists would have reached B by the time the cyclist reaches B

Q12: John jogs on track A at 6 kmph and Mary jogs on track B at 7.5 kmph. The total length of tracks A and B is 325 metres. While John makes 9 rounds of track A, Mary makes 5 rounds of track B. In how many seconds will Mary make one round of track A?    [2019]
Ans: 48
Let the track length for John be 'a' and for Mary be 'b'
So, Distance travelled by John = 9a
Distance travelled by Mary = 5b
Now, Time taken by John = Time & Distance CAT Previous Year Questions with Answer PDF
Time taken by Mary =Time & Distance CAT Previous Year Questions with Answer PDF
We know that Time taken by John = Time taken by Mary
Time & Distance CAT Previous Year Questions with Answer PDF
Time & Distance CAT Previous Year Questions with Answer PDF
Total track length = 325 meters
So, Time & Distance CAT Previous Year Questions with Answer PDF= 325 meters
Time & Distance CAT Previous Year Questions with Answer PDF= 325 meters
b = 225 meters
a = 100 meters
Mary jogs at 7.5 Kmph = Time & Distance CAT Previous Year Questions with Answer PDF
So, time taken = Time & Distance CAT Previous Year Questions with Answer PDF

Q13: Two ants A and B start from a point P on a circle at the same time, with A moving clock-wise and B moving anti-clockwise. They meet for the first time at 10:00 am when A has covered 60% of the track. If A returns to P at 10:12 am, then B returns to P at    [2019]
(a) 10:27 am
(b) 10:25 am
(c) 10:45 am
(d) 10:18 am

Ans: (a)
By the time A and B meet for the first time, A covers 60% of the distance, while B covers 40% of the distance.
So, the speeds of A and b are in the ratio 60:40 or 3:2
Hence, the time they take to cover a particular distance will be in the ratio 2:3
We know that A covers 60% of the distance at 10:00 AM and covers 100% of the distance at 10:12 AM.
That means A takes 12 minutes to cover 40% of the track. So to cover the entire track he must have taken 12+12+6 = 30 minutes.
(because 40% + 40% + 20% = 100%)
Since the time taken by A and B to complete the track are in the ratio 2:3, the time taken by B to complete the track will be 45 minutes.
At 10:00 AM, B has covered 40% of the track. If we can find out what time does B take to complete the remaining 60% of the track, we can find the finish time of B.
Time required to complete 60% of the track = 60% of 45 = 27 minutes.
Hence, B complete one single round at 10:27 AM.

Q14: Two cars travel the same distance starting at 10:00 am and 11:00 am, respectively, on the same day. They reach their common destination at the same point of time. If the first car travelled for at least 6 hours, then the highest possible value of the percentage by which the speed of the second car could exceed that of the first car is    [2019]
(a) 20
(b) 10
(c) 35
(d) 25

Ans: (a)
Time & Distance CAT Previous Year Questions with Answer PDF
The minimum time travelled by Car 1 = 6 hours.
Minimum time travelled by Car 2 = 5 hours
Now, the time taken can be of any value -> (6,5) (7,6) ...... (1000,999)
However, since we want to calculate the highest possible percentage by which speed of car 2 could exceed car 1, we consider the lowest time taken - 6 hours and 5 hours, respectively.
Let the distance between the start and finish be 30 Kms (LCM of 6 and 5)
So, Car 1 travels at 5 Kmph and Car 2 travels at 6 Kmph
Percentage increase in speed by CarTime & Distance CAT Previous Year Questions with Answer PDF

Q15: In a race of three horses, the first beat the second by 11 metres and the third by 90 metres. If the second beat the third by 80 metres, what was the length, in metres, of the racecourse?    [2019]
Ans: 880 meters
Time & Distance CAT Previous Year Questions with Answer PDF
A beats B by 11 meters. When B completes the 11 meters, there is a lead of 80 meters to C
So, C must have travelled only 90 - 80 = 10 meters
When B travels 11 meters, C travels only 10 meters
Ratio of distance travelled by second and third horse are11x and 10 x respectively
We know that the second horse beats the third horse by 80 meters.
So, Length of the track = Distance travelled by the second horse = 11 x 80 = 880 meters

Q16: One can use three different transports which move at 10, 20, and 30 kmph, respectively. To reach from A to B, Amal took each mode of transport 1/3 of his total journey time, while Bimal took each mode of transport 1/3 of the total distance. The percentage by which Bimal’s travel time exceeds Amal’s travel time is nearest to    [2019]
(a) 22
(b) 19
(c) 21
(d) 20

Ans: (a)
Time & Distance CAT Previous Year Questions with Answer PDFLet the distance be = 60 Kms.
So, Bimal travels a distance of 20Kms in each mode and Amal travels 10, 20 and 30 Kms respectively in 1 hour each
Time taken by Bimal = Time taken to travel 20 kms in 10 Kmph + Time taken to travel 20 kms in 20 Kmph + Time taken to travel 20 kms in 30 Kmph
Time taken by Bimal =Time & Distance CAT Previous Year Questions with Answer PDF
Extra time taken by Bimal = Time & Distance CAT Previous Year Questions with Answer PDF
Percentage increase in time =Time & Distance CAT Previous Year Questions with Answer PDF
So, Percentage increase in time = 22

Q17: The wheels of bicycles A and B have radii 30 cm and 40 cm, respectively. While traveling a certain distance, each wheel of A required 5000 more revolutions than each wheel of B. If bicycle B traveled this distance in 45 minutes, then its speed, in km per hour, was    [2019]
(a) 18π
(b) 16π
(c) 12π
(d) 14π

Ans: (b)
Time & Distance CAT Previous Year Questions with Answer PDF
Circumference of A and B are in the ratio 3: 4
So, Ratio of Distance travelled in one revolution by A and B = 3: 4
Since they travel the same distance,
Ratio of number of revolutions of A and B = 4: 3 ----- (1)
We know that each wheel of A requires 5000 more revolutions than B
So, the Ratio of number of revolutions of A and B = (n + 5000): n ------(2)
So, comparing (1) and (2)
Number of revolutions of A and B are 20000 and 15000 respectively
So, we know Bike B does 15000 revolutions in 45 minutes
Distance travelled = 2 x π x r x Number of revolutions
Speed of BikeTime & Distance CAT Previous Year Questions with Answer PDF
Speed of Bike B = Time & Distance CAT Previous Year Questions with Answer PDF
Speed of Bike B = 16π Kmph

Q18: Points A, P, Q and B lie on the same line such that P, Q and B are, respectively, 100 km, 200 km and 300 km away from A. Cars 1 and 2 leave A at the same time and move towards B. Simultaneously, car 3 leaves B and moves towards A. Car 3 meets Car 1 at Q, and Car 2 at P. If each car is moving in uniform speed then the ratio of the speed of Car 2 to that of Car 1 is    [2018]
(a) 1 : 4
(b) 2 : 9
(c) 1 : 2
(d) 2 : 7

Ans: (a)
Time & Distance CAT Previous Year Questions with Answer PDF
It is given that points A, P, Q and B lie on the same line such that P, Q and B are 100 km, 200 km and 300 km away from A. Let us draw the diagram first. All of them are on the same straight line and P, Q lie between A and B.
Cars 1 and Cars 2 leave A at the same time and move towards B. Simultaneously, Car 3 leaves B and moves towards A. Let us add more details to the diagram. C1 and C2 move towards B and C3 moves towards A. C3 meets C1 at Q and C3 meets C2 at P.
Time & Distance CAT Previous Year Questions with Answer PDF
Let us assume the speeds of Car 1, 2, and 3 to be C1, C2 and C3 respectively. Car 1 is travelling quicker than Car 2. When Car 1 travels 200 km to reach Q, Car 3 has travelled 100 km or ratio of their speeds, C1 : C3 is 2 : 1.C1 and C2 move towards B and C3 moves towards A. C3 meets C1 at Q and C3 meets C2 at P.
Let us assume the speeds of Car 1, 2, and 3 to be C1, C2 and C3 respectively.When Car 3 travels 200 km to reach P, Car 2 has travelled 100 km or ratio of their speeds, C3 : C2 is 2 : 1. Now we have all the ratios. We know that C1 : C3 is 2 : 1 and C3 : C2 is 2 : 1. We can see that C3 is the common link
Time & Distance CAT Previous Year Questions with Answer PDF
So, taking LCM of C3, we get,
Time & Distance CAT Previous Year Questions with Answer PDF
We can see that ratio of speeds of Car 2 to Car 1 is 1 : 4. Hence, C2 : C1 = 1 : 4

Q19: On a long stretch of east-west road, A and B are two points such that B is 350 km west of A. One car starts from A and another from B at the same time. If they move towards each other, then they meet after 1 hour. If they both move towards east, then they meet in 7 hrs. The difference between their speeds, in km per hour, is    [2018]
Ans: 50
Time & Distance CAT Previous Year Questions with Answer PDF
Given that A and B are two points such that B is 350 km west of A. One car starts from A and another from B at the same time.
They meet after one hour or their relative velocity is (a + b)km/hr and their relative distance is 350kms
Time & Distance CAT Previous Year Questions with Answer PDFwhich is equal to 350 kms/hr
Time & Distance CAT Previous Year Questions with Answer PDF
If they both move towards east, then they meet in 7 hrs.
We have to find the difference between their speeds, in km per hour. B is catching upon A, so once again their relative distance will be 350kms.
Relative speed = b – a , B travels faster so that it can meet a.
Time & Distance CAT Previous Year Questions with Answer PDF
⟹ b - a = 50 km/hr
We know that b + a = 350 km/hr
By this we can find the values of a and b but they have asked for only the difference between their speeds which is b – a = 50km/hr

Q20: Points A and B are 150 km apart. Cars 1 and 2 travel from A to B, but car 2 starts from A when car 1 is already 20 km away from A. Each car travels at a speed of 100 kmph for the first 50 km, at 50 kmph for the next 50 km, and at 25 kmph for the last 50 km. The distance, in km, between car 2 and B when car 1 reaches B is    [2018]
Ans: 5
Time & Distance CAT Previous Year Questions with Answer PDF
Given that points A and B are 150 km apart.
Cars 1 and 2 travel from A to B, but car 2 starts from A when car 1 is already 20 km away from A.
Each car travels at a speed of 100 kmph for the first 50 km, at 50 kmph for the next 50 km, and at 25 kmph for the last 50 km.
The Car 1 is 20km away from A and it travels at 100kmph and the time taken isTime & Distance CAT Previous Year Questions with Answer PDF
So car 2 is 12 minutes behind car 1.
We have to find the distance in km, between car 2 and B when car 1 reaches B.
Time & Distance CAT Previous Year Questions with Answer PDF

If car 1 reaches B, car 2 will take 12 minutes to reach b.
Distance between car 2 and B is 25 × 1/5 = 5 kms
The distance, in km, between car 2 and B when car 1 reaches B is 5 kms.

Q21: The distance from A to B is 60 km. Partha and Narayan start from A at the same time and move towards B. Partha takes four hours more than Narayan to reach B. Moreover, Partha reaches the mid-point of A and B two hours before Narayan reaches B. The speed of Partha, in km per hour, is    [2018]
(a) 6
(b) 3
(c) 4
(d) 5
Ans:
(d)
Time & Distance CAT Previous Year Questions with Answer PDF
Let Narayanan take X hrs to reach B then Partha would take X + 4 hrs
Its given that Partha reaches the mid-point of A and B two hours before Narayan reaches B
Time & Distance CAT Previous Year Questions with Answer PDF
So, Partha would take 8+4 = 12 hrs to travel 60 Kms at a speed ofTime & Distance CAT Previous Year Questions with Answer PDFKmph
Speed of Partha = 5 Kmph

Q22: Point P lies between points A and B such that the length of BP is thrice that of AP. Car 1 starts from A and moves towards B. Simultaneously, car 2 starts from B and moves towards A. Car 2 reaches P one hour after car 1 reaches P. If the speed of car 2 is half that of car 1, then the time, in minutes, taken by car 1 in reaching P from A is:    [2018]
Ans: 12
Time & Distance CAT Previous Year Questions with Answer PDF
Let us take the distance AP = x and BP = 3x
It’s also given that SpeedCar-2 = Time & Distance CAT Previous Year Questions with Answer PDFSpeedCar-1 
S1 = S S2 = Time & Distance CAT Previous Year Questions with Answer PDF
Car 2 takes one hour more than Car 1
T2 = t minutes T2 = (t + 60) minutes 
We know that Time = Time & Distance CAT Previous Year Questions with Answer PDF
Time & Distance CAT Previous Year Questions with Answer PDF
TCar-1 = t TCar-2 = 6t 
We know, TCar-2 takes (t + 60) minutes 
6t = t + 60
5t = 60
t = 12 minutes 

Q23: Train T leaves station X for station Y at 3 pm. Train S, traveling at three quarters of the speed of T, leaves Y for X at 4 pm. The two trains pass each other at a station Z, where the distance between X and Z is three-fifths of that between X and Y. How many hours does train T take for its journey from X to Y?    [2018]
Ans:

Time & Distance CAT Previous Year Questions with Answer PDFFrom question, XZ = 3d, YZ = 2d
As their speeds are in ratio 4:3
Let their speeds be 4V and 3V
Time (T to reach Z) = Time & Distance CAT Previous Year Questions with Answer PDFhrs ....(1)
Time (S to reach Z) =Time & Distance CAT Previous Year Questions with Answer PDFhrs ....(2)
We need to find the time taken for T To travel from X to Y
Time =Time & Distance CAT Previous Year Questions with Answer PDF
Train S started one hour late than Train T
Time & Distance CAT Previous Year Questions with Answer PDF
Let Time & Distance CAT Previous Year Questions with Answer PDF
Time & Distance CAT Previous Year Questions with Answer PDF
k = 12
So,Time & Distance CAT Previous Year Questions with Answer PDF

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FAQs on Time & Distance CAT Previous Year Questions with Answer PDF

1. What is the formula for calculating time and distance?
Ans. The formula for calculating time and distance is Distance = Speed x Time. This formula can be used to find the distance covered when the speed and time are known, or to find the speed when the distance and time are known, or to find the time taken when the distance and speed are known.
2. How can we convert the speed from km/h to m/s?
Ans. To convert the speed from km/h to m/s, we can use the formula: Speed in m/s = Speed in km/h x 1000/3600. This formula involves multiplying the speed in km/h by 1000 and then dividing it by 3600, as there are 1000 meters in a kilometer and 3600 seconds in an hour.
3. How do we calculate average speed when there are multiple speeds involved?
Ans. To calculate average speed when there are multiple speeds involved, we can use the formula: Average Speed = Total Distance / Total Time. In this formula, we sum up the distances covered at each speed and divide it by the total time taken to cover those distances.
4. How can we find the time taken to cover a certain distance when the speed is given in fractions?
Ans. When the speed is given in fractions, we can find the time taken to cover a certain distance by dividing the distance by the speed. For example, if the distance is 5 km and the speed is 1/2 km/h, the time taken would be 5 km / (1/2 km/h) = 10 hours.
5. How can we calculate the relative speed of two objects moving in the same direction or opposite directions?
Ans. To calculate the relative speed of two objects moving in the same direction, we subtract the speed of the slower object from the speed of the faster object. To calculate the relative speed of two objects moving in opposite directions, we add their speeds.
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