Aptitude and Reasoning Questions

Q:

There are six persons A, B, C, D E and F. C is the sister of F. B is the brother of E's husband. D is the father of A and grandfather of F. There are two fathers, three brothers and a mother in the group. Who is E's husband ? 

A) B B) C
C) E D) A
 
Answer & Explanation Answer: D) A

Explanation:

D is father of A and grandfather of F. So, A is father of F. 

Thus. D and A are the two fathers. C is the sister of F So. C is the daughter of A. 

Since there is only one mother, it is evident that E is the wife of A and hence the mother of C and F. 

So, B is brother of A There are three brothers. So. F is the brother of C.

A is E's husband

Report Error

View Answer Report Error Discuss

Filed Under: Blood Relations

2 3868
Q:

Find the value of 1.21x0.91.1x0.11?

A) 0 B) 1
C) 3 D) 5
 
Answer & Explanation Answer: C) 3

Explanation:

Given   1.21x0.91.1x0.11

 

1.21x100x0.9x101.1x10x0.11x100

 

9

 

= 3.

Report Error

View Answer Report Error Discuss

Filed Under: Square Roots and Cube Roots
Exam Prep: GATE , CAT , Bank Exams , AIEEE
Job Role: Bank PO , Bank Clerk

8 3865
Q:

If there are 17 randomly placed dots on a circle,how many lines can you form using any 2 dots?

A) 126 B) 130
C) 136 D) 120
 
Answer & Explanation Answer: C) 136

Explanation:

17C2 = 136 (combination)

Report Error

View Answer Report Error Discuss

0 3864
Q:

The ratio of two positive numbers is 3 : 5 and the average of the number is 48. What is the product of numbers?

A) 3365 B) 2160
C) 1854 D) 1632
 
Answer & Explanation Answer: B) 2160

Explanation:

Let the number be 3p and 5p

ATQ,

8p = 2 x 48

p = 96/8

p = 12

 

The numbers are 36 and 60.

 

Hence, the product of the numbers = 36 x 60 = 2160.

Report Error

View Answer Report Error Discuss

3 3860
Q:

3.2% of 500 × 2. 4% of ? = 312

A) 812.5 B) 829.75
C) 749.85 D) 799.5
 
Answer & Explanation Answer: A) 812.5

Explanation:

Given 3.2% of 500 × 2. 4% of ? = 312Then,3.2 x 500100 x 2.4 x ?100 = 31216 x 2.4x?100 = 3129.6 x ?25 = 3129.6 x ? = 7800? = 78009.6? = 812.5

Report Error

View Answer Report Error Discuss

Filed Under: Percentage
Exam Prep: AIEEE , Bank Exams , CAT , GATE
Job Role: Analyst , Bank Clerk , Bank PO , IT Trainer

7 3859
Q:

If '+' and 'x' signs as well as '3' and '2' are interchanged, which of the one following is correct?

A) 4 + 2 x 3 = 14 B) 14 + 3 x 2 = 4
C) 4 + 2 x 14 = 3 D) 2 + 3 x 4 = 14
 
Answer & Explanation Answer: A) 4 + 2 x 3 = 14

Explanation:
Report Error

View Answer Report Error Discuss

Filed Under: Coding and Decoding
Exam Prep: Bank Exams

2 3855
Q:

A research team of 6 people is to be formed from 10 chemists,5 politicians, 8 economists and 15 biologists.How many teams have atleast 5 chemists?

A) 7350 B) 6400
C) 6379 D) 7266
 
Answer & Explanation Answer: D) 7266

Explanation:

10C5 x 28C1 x 10C6 = 7266

Report Error

View Answer Report Error Discuss

0 3855
Q:

The percentage of metals in a mine of zinc ore is 60%. Now the percentage of silver is 3/4% of metals and the rest is zinc. If the mass of ore extracted from the mine is 8000 kg, the mass (in kg) of zinc is

A) 5147 kg B) 4764 kg
C) 3587 kg D) 2125 kg
 
Answer & Explanation Answer: B) 4764 kg

Explanation:

Mass of zinc ore = 8000 kg


Mass of metal = 60% of 8000 = 4800 kg


Mass of silver in metal = 3/4 x 4800/100 = 36 kg


Mass of zinc = 4800 - 36 = 4764 kg.

Report Error

View Answer Report Error Discuss

Filed Under: Percentage
Exam Prep: AIEEE , Bank Exams , CAT
Job Role: Analyst , Bank Clerk , Bank PO

6 3854