Aptitude and Reasoning Questions

Q:

Ten years ago, A was half of B in age. If the ratio of their present ages is 3:4, then what will be the total of their present ages?

Answer

Let A's age 10 years ago be x years . Then B's age 10 years ago be 2x years





 Total of their present ages = x + 10 + 2x + 10


= 3x+20


= 3 * 5 + 20 = 35 years


 

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Subject: Problems on Ages

4 5257
Q:

A family consists of six members P, Q, R, X, Y and Z. Q is the son of R but R is not mother of Q. P and R are a married couple. Y is the brother of R. X is the daughter of P. Z is the brother of P. How is Q related to X? 

A) Husband B) Father
C) Brother D) Uncle
 
Answer & Explanation Answer: C) Brother

Explanation:

Q is the son of R but R is not the mother. So, R is the Father of Q. P is married to R 

So, P is the wife of R and the mother of Q, X is the daughter of P and hence of R and so she is the Sister of Q, Y is the brother of R and Z is the brother of P. 

X is the sister of Q who is a male. So, Q is brother of X. 

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Filed Under: Blood Relations

5 5255
Q:

0.01+0.0064 =?

A) 0.03 B) 0.3
C) 0.42 D) None of these
 
Answer & Explanation Answer: B) 0.3

Explanation:

0.01+0.0064=0.01+6410000=0.01+8100 =0.01+0.08=0.3

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11 5254
Q:

On the eve of Christmas, all the things are kept in apple-pie order.

A) with neatness B) in perfect order
C) in jumbled order D) Both A & B
 
Answer & Explanation Answer: D) Both A & B

Explanation:
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Filed Under: Alphabet Test
Exam Prep: AIEEE , Bank Exams , CAT , GATE
Job Role: Bank Clerk , Bank PO

15 5250
Q:

If a quarter kg of potato costs 60 paise, how many paise will 200 gm cost?

A) 48 paise B) 54 paise
C) 56 paise D) 72 paise
 
Answer & Explanation Answer: A) 48 paise

Explanation:

Let the required weight be x kg.

 

 

 

Less weight, Less cost (Direct Proportion)

 

 

 

 250 : 200 :: 60 : x   =>    250 x x = (200 x 60)

 

 

 

=>

 

 

 

=> x = 48.

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2 5249
Q:

Find the probability of selecting exactly 2 children when four persons are choosen at random from a group of 3 men, 2 woman and 4 children.

A) 9/29 B) 10/21
C) 12/21 D) 14/19
 
Answer & Explanation Answer: B) 10/21

Explanation:

4 persons can be selected from 9 in 9C4 ways =126

 

Fvaourable events =4C2*5C2 =60

 

So,required probability = 60/126 = 10/21

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Filed Under: Probability

2 5248
Q:

A family consists of six members P, Q, R, X, Y and Z. Q is the son of R but R is not mother of Q. P and R are a married couple. Y is the brother of R. X is the daughter of P. Z is the brother of P. How many female members are there in the family ? 

A) 1 B) 2
C) 3 D) 4
 
Answer & Explanation Answer: B) 2

Explanation:

Q is the son of R but R is not the mother. So, R is the Father of Q. P is married to R 

So, P is the wife of R and the mother of Q, X is the daughter of P and hence of R and so she is the Sister of Q, Y is the brother of R and Z is the brother of P. 

There are two females only — mother P and daughter X 

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Filed Under: Blood Relations

3 5241
Q:

10 women can do a piece of work in 6 days, 6 men can do same work in 5 days and 8 children can do it in 10 days. What is the ratio of the efficiency of a woman, a man and a child respectively?

A) 4 : 6 : 3 B) 4 : 5 : 3
C) 2 : 4 : 3 D) 4 : 8 : 3
 
Answer & Explanation Answer: D) 4 : 8 : 3

Explanation:
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Filed Under: Time and Work
Exam Prep: Bank Exams

4 5239