Sashi can do a piece of work in 25 days and Rishi can do it in 20 days. They work for 5 days, then Sashi goes away. In how many more days will Rishi finish the work?
Manoj takes twice as much time as Ajay and thrice as much as Vijay to finish a piece of work. Together they finish the work in 1 day. What is the time taken by Manoj to finish the work?
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Raju works twice as Vijay. Together, they finish the work in 14 days, in how many days can Vijay alone do the same work?
What is the rate of simple interest for the first 4 years if the sum of Rs. 360 becomes Rs. 540 in 9 years and the rate of interest for the last 5 years is 6%?
A jay borrows Rs. 1500 from two money-lenders. He pays interest at the rate of 12% per annum for one loan and at the rate of 14% per annum for the other. The total interest he pays for the entire year is Rs. 186. How much does he borrow at the rate of 12%?
Two equal sums were borrowed at 8% simple interest per annum for 2 years and 3 years respectively. The difference in the interest was Rs. 56. The sum borrowed were
Sanjay borrowed Rs. 900 at 4% p.a. and Rs. 1100 at 5% p.a. for the same duration. He had to pay Rs. 364 in all as interest. What is the time period in years?
A train 150 m long moving at a speed of 25 metres per second overtakes a man moving at 5 metres/sec in opposite direction.The train will pass the man in
Two Train 126 m and 114 m long are running in opposite directions, one at the rate of 30 kmph and another one at 42 kmph. From the moment they meet will cross each other in
A train 110m long passes a man, running at 6 kmph in the direction opposite to that of the train, in 6 seconds. The speed of the train is
A system consists of N particles, interacting with each other (for example, protein molecules). Which one of the following statements is FALSE?
Three pipes A, B and C can fill a tank in 6 hrs. After working at it together for 2 hrs C is closed and A and B can fill the remaining part in 7 hrs. The total number of hrs taken by C alone to fill the tank is
The sum of the first 16 terms of an AP whose first term and third are 5 and 15 respectively is
A boy agrees to work at the rate of one rupee on the first day, two rupees on the second day, four rupees on the third day and so on. How much will the boy get if he starts working on the 1st of February and finishes on the 20th of February?
The seventh term of a GP is 8 times the fourth term, but will it be the first term when its fifth term is 48?
The sum of three numbers on a GP is 14, and the sum of their squares is 84. Find the largest number,
How many different numbers of six digits can be formed with the numbers 3, 1, 7, 0, 9, 5?
How many three-digit numbers are there, with no digits repeated?
In how many different ways, the letters of the word ALGEBRA can be arranged in a row if.
(i) The two As are together?
(ii) The two As are not together?
A husband and wife appear in an interview for two vacancies in the same post. The probability of husband’s selection is 1/7 and that of wife's is 1/5.
What is the probability that none of them will be selected?
A man speaks the truth in 80% of the cases and another in 90% of the cases. While stating the same fact, what is the probability that they contradict?
A coin is tossed three times. Find the chance that head and tail show alternately.
Akash said to Mohit, “The boy in the blue shirt is younger of the two brothers of the daughter of my father’s wife". How is the boy in the blue shirt related to Akash?
Pointing to a photograph, Vipul said, "She is the daughter of my grandfather's only son(and only child also)". How is Vipul related to the girl in the photograph?
A man said to a lady, "your mother's husband's sister is my aunt. How is the lady related to the man?
If (i) M Is the brother of N
(ii) B is the brother of N and
(iii) M is the brother of D, then which of the following statements is true?
12 tests
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