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MCQ Test: Data Sufficiency - 1 - Bank Exams MCQ


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20 Questions MCQ Test Reasoning Aptitude for Competitive Examinations - MCQ Test: Data Sufficiency - 1

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MCQ Test: Data Sufficiency - 1 - Question 1

Statements :
I. Rahul at present is 25 years younger to his mother.
II. Rahul's brother, who was born in 1964, is 35 years younger to his mother.

Q: In which year was Rahul born ?

Detailed Solution for MCQ Test: Data Sufficiency - 1 - Question 1

From both I and II, we find that Rahul is (35 - 25) = 10 years older than his brother, who was born in 1964. So, Rahul was born in 1954.

MCQ Test: Data Sufficiency - 1 - Question 2

Statements :
I. One-fourth of the weight of each pole is 5 kg.
II. The total weight of three poles is 20 kilograms more than the total weight of two poles.

Q: What will be the total weight of 10 poles, each of the same weight ?

Detailed Solution for MCQ Test: Data Sufficiency - 1 - Question 2

From I, we conclude that weight of each pole = (4x5) kg = 20 kg.
So, total weight of 10 poles = (20 x 10) kg = 200 kg.
From II, we conclude that:
Weight of each pole = (weight of 3 poles) - (weight of 2 poles) = 20 kg.
So, total weight of 10 pojes = (20 x 10) kg = 200 kg.

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MCQ Test: Data Sufficiency - 1 - Question 3

Statements :
I. H is the only daughter of X who is wife of M.
II. K and J are brothers of M.

Q: How many children does M have ?

Detailed Solution for MCQ Test: Data Sufficiency - 1 - Question 3

From I, we conclude that H is the only daughter of M. But this does not indicate that M has no son. The information given in II is immaterial.

MCQ Test: Data Sufficiency - 1 - Question 4

Statements :
I. The company sold 8000 units of product A each costing Rs. 25.
II. This company has no other product line.

Q: How much was the total sale of the company ?

Detailed Solution for MCQ Test: Data Sufficiency - 1 - Question 4

From I, total sale of product A = Rs. (8000 x 25) = Rs. 200000.
From II, we know that the company deals only in product A.
This implies that sale of product A is the total sale of the company, which is Rs. 200000.

MCQ Test: Data Sufficiency - 1 - Question 5

Statements :
I. The first Sunday of that month fell on 5th.
II. The last day of that month was Friday.

Q: The last Sunday of March, 2006 fell on which date ?

Detailed Solution for MCQ Test: Data Sufficiency - 1 - Question 5

From I, we conclude that 5th, 12th, 19th and 26th of March, 2006 were Sundays.
So, the last Sunday fell on 26th.
From II, we conclude that 31st March, 2006 was Friday. Thus, 26th March, 2006 was the last Sunday of the month.

MCQ Test: Data Sufficiency - 1 - Question 6

Statements :
I. In the code language, 'sky is clear' is written as 'de ra fa'.
II. In the same code language, 'make it clear' is written as 'de ga jo'.

Q: What is the code for 'sky' in the code language ?

Detailed Solution for MCQ Test: Data Sufficiency - 1 - Question 6

The only word common to I and II is 'clear' and as such, only the code for 'clear' can be ascertained from the given information.

MCQ Test: Data Sufficiency - 1 - Question 7

Statements :
I. P is fifteenth from the left in the row.
II. Q is exactly in the middle and there are ten children towards his right.

Q: How many children are there between P and Q in a row of children ?

Detailed Solution for MCQ Test: Data Sufficiency - 1 - Question 7

From II, Q being in the middle, there are 10 children to his right as well as to his left. So, Q is 11th from the left. From I, P is 15th from the left.
Thus, from both I and II, we conclude that there are 3 children between P and Q.

MCQ Test: Data Sufficiency - 1 - Question 8

Statements :
I. R's sister J has married T's brother L, who is the only son of his parents.
II. K is the only daughter of L and J.

Q: How is T related to K?

Detailed Solution for MCQ Test: Data Sufficiency - 1 - Question 8

From I, we know that L is T's brother and J's husband. Since L is the only son of his parents, T is L's sister.
From II, we know that K is L's daughter.
Thus, from I and II, we conclude that T is the sister of K's father i.e. T is K's aunt.

MCQ Test: Data Sufficiency - 1 - Question 9

Statements :
I. M is brother of P and T is sister of P.
II. P's mother is married to J's husband who has one son and two daughters.

Q: How is J related to P ?

Detailed Solution for MCQ Test: Data Sufficiency - 1 - Question 9

From II, we know that P's mother is married to J's husband, which means that J is P's mother.

MCQ Test: Data Sufficiency - 1 - Question 10

Statements :
I. Y and Z are children of D who is wife of X.
II. R's sister X is married to Ys father.

Q: How is X related to Y ?

MCQ Test: Data Sufficiency - 1 - Question 11

Statements :
I. R is third to the left of Q and P is second to the right of R.
II. Q is to the immediate left of T who is second to the right of P.

Q: Who is to the immediate right of P among five persons P, Q, R, S and T facing North ?

Detailed Solution for MCQ Test: Data Sufficiency - 1 - Question 11

From I, we have the order: R, -, P, Q.
From II, we have the order: P, Q, T.
Clearly, each one of the above two orders indicates that Q is to the immediate right of P.

MCQ Test: Data Sufficiency - 1 - Question 12

Statements :
I. Anjali was born on an even date of the month.
II. Anjali's birth date was a prime number.

Q: On which date of the month was Anjali born in February 2004 ?

Detailed Solution for MCQ Test: Data Sufficiency - 1 - Question 12

From I and II, we conclude that Anjali was born in February 2004 on a date which is an even prime number. Since the only even prime number is 2, so Anjali was born on 2nd February, 2004.

MCQ Test: Data Sufficiency - 1 - Question 13

Statements :
I. Y says, "I have only one brother".
II. X says, "I have only one sister".

Q: How is X related to Y?

Detailed Solution for MCQ Test: Data Sufficiency - 1 - Question 13

The statements in I and II do not provide any clue regarding relation between X and Y.

MCQ Test: Data Sufficiency - 1 - Question 14

Statements :
I. P has two sisters M and N.
II. F's mother is sister of M's father.

Q: How is F related to P?

Detailed Solution for MCQ Test: Data Sufficiency - 1 - Question 14

From I and II, we conclude that P is M's brother and so M's father is P's father. So, F is the child of the sister of P's father i.e. F's mother is P's aunt or F is P's cousin.

MCQ Test: Data Sufficiency - 1 - Question 15

Statements :
I. A is the sister of C.
II. E is the husband of A.

Q: B is the brother of A. How is A related to B ?

Detailed Solution for MCQ Test: Data Sufficiency - 1 - Question 15

B is A's brother means A is either brother or sister of B. Now, each one of I and II individually indicates that A is a female, which means that A is B's sister.

MCQ Test: Data Sufficiency - 1 - Question 16

Statements :
I. Vishakha who is fifth from the left end is eighth to the left of Ashish who is twelfth from the right end.
II. Rohit is fifth to the left of Nisha who is seventh from the right end and eighteenth from the left end.

Q: How many children are there in the row of children facing North ?

Detailed Solution for MCQ Test: Data Sufficiency - 1 - Question 16

Since 8th to the left of 12th from the right is 20th from the right, so from I, we know that Vishakha is 5th from left and 20th from right i.e. there are 4 children to the left and 19 to the right of Vishakha. So, there are (4 + 1 + 19) i.e. 24 children in the row.

From II, Nisha is 7th from right and 18th from left end of the row.
So, there are (6 + 1 + 17) = 24 children in the row.

MCQ Test: Data Sufficiency - 1 - Question 17

Statements :
I. There is one doctor per seven hundred residents.
II. There are 16 wards with each ward having as many doctors as the number of wards.

Q: How many doctors are practising in this town ?

Detailed Solution for MCQ Test: Data Sufficiency - 1 - Question 17

From I, total number of doctors in town = (1/700 x N) , where N = total number of residents in town. But, the value of N is not known.
From II, total number of doctors in town
= (Number of wards in town) x (Number of doctors in each ward)
= 16 x 16 = 256.

MCQ Test: Data Sufficiency - 1 - Question 18

Statements :
I. Sahil celebrated his birthday the very next day on which Arun celebrated his birthday.
II. The sister of Sahil was born on the third day of the week and two days after Sahil was born.

Q: On which day of the week was birthday of Sahil ?

Detailed Solution for MCQ Test: Data Sufficiency - 1 - Question 18

I does not mention the day of the week on the birthday of either Arun or Sahil.
According to II, Sahil's sister was born on Wednesday and Sahil was born two days before Wednesday i.e. on Monday.

MCQ Test: Data Sufficiency - 1 - Question 19

Statements :
I. The book has 300 pages out of which two-thirds were read by him before Sunday.
II. Robert read the last 40 pages of the book on the morning of Monday.

Q: How many pages of book X did Robert read on Sunday ?

Detailed Solution for MCQ Test: Data Sufficiency - 1 - Question 19

From I and II, we find that Robert read (300 x 2/3) i.e. 200 pages before Sunday and the last 40 pages on Monday.
This means that he read [300 - (200 + 40)] i.e. 60 pages on Sunday.

MCQ Test: Data Sufficiency - 1 - Question 20

Statements :
I. Man in the photograph is the only son of Tanya's grandfather.
II. The man in the photograph has no brothers or sisters and his father is Tanya's grandfather.

Q: How is Tanya related to the man in the photograph ?

Detailed Solution for MCQ Test: Data Sufficiency - 1 - Question 20

From I, we conclude that the man is the only son of Tanya's grandfather i.e. he is Tanya's father or Tanya is the man's daughter.
From II, we conclude that the man's father is Tanya's grandfather. Since the man has no brothers or sisters, so he is Tanya's father or Tanya is the man's daughter.

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