Aptitude and Reasoning Questions

Q:

Which of the alternatives (a), (b), (c) and (d) will exactly make up the key figure (X).

A) a B) b
C) c D) d
 
Answer & Explanation Answer: C) c

Explanation:
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Filed Under: Image Analysis

9 3997
Q:

A takes 24 day in completing a work alone. Time taken by A in completing 1/3rd of the work is equal to the time taken by B in completing half of the work. How many days will be taken in completing the work if both A & B start working together?

A) 21/3 days B) 48 days
C) 40 days D) 48/5 days
 
Answer & Explanation Answer: D) 48/5 days

Explanation:

Ans. 
Time taken by A to complete a work alone - 24 days
Time taken by A in completing 1/3 of work = 24*1/3= 8 Days
8 day = time taken by B in completing 1/2 of work
B alone can complete the work = 16 days
The required time in completing the work if both A & B start working together?
16*24 / 40 = 48/5 Days

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Filed Under: Time and Work
Exam Prep: AIEEE , Bank Exams , GATE

2 3993
Q:

If the true discount on a certain sum due 6 months hence at 15% is Rs 120.What is the bankers discount on the same for same time and the same rate.

A) Rs.109 B) Rs.119
C) Rs.129 D) Rs.139
 
Answer & Explanation Answer: C) Rs.129

Explanation:

B.G = S.I On T.D

      = Rs. (120 * 15 * 1/2 * 1/100)

      = Rs.9

B.D - T.D = Rs.9

B.D = Rs.(120 +9) = Rs.129

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Filed Under: Banker's Discount

1 3990
Q:

What is the square root of (√5 + 2)/(√5 – 2)?

 

A) √5 – √4   B) √5 + 2  
C) 5 + √2   D) 7
 
Answer & Explanation Answer: B) √5 + 2  

Explanation:
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Filed Under: Square Roots and Cube Roots
Exam Prep: Bank Exams

1 3987
Q:

A boat goes 4 km upstream and 4 km downstream in 1 hour. The same boat goes 5 km downstream and 3 km upstream in 55 minutes. What is the speed (in km/hr) of oat in still water?

A) 6.5 B) 7.75
C) 9 D) 10.5
 
Answer & Explanation Answer: C) 9

Explanation:
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Filed Under: Boats and Streams
Exam Prep: Bank Exams

14 3987
Q:

The Asian Development Bank has approved a $285 million loan to finance a project to construct coal ports by Paradip and Madras Port Trusts.

 

Courses of Action:

I. India should use financial assistance from other international financial organisations to develop such ports in other places.

II. India should not seek such financial assistance from the international financial agencies.

A) Only I follows B) Only II follows
C) Neither I nor II follows D) Both I and II follow
 
Answer & Explanation Answer: A) Only I follows

Explanation:

Clearly, such projects shall be an asset and a source of income to the country later on. So, course I shall follow.

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1 3983
Q:

The value of 80-11245-63 is:

A) 3/4 B) 4/3
C) 4/7 D) 7/4
 
Answer & Explanation Answer: B) 4/3

Explanation:

80-11245-63=16×5-16×79×5-9×7=45-4735-37

 

=45-735-7=43

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10 3981
Q:

All the six members of a family A, B, C, D, E and F are travelling together. B is the son of C but C is not the mother of B. A and C are a married couple. E is the brother of C. D is the daughter of A. F is the brother of B.  Who is the wife of E ? 

A) A B) F
C) E D) Cant be determined
 
Answer & Explanation Answer: D) Cant be determined

Explanation:

B is the son of C but C is not the mother of B means C is the father of B A is married to C means A is the mother of B. 

F is brother of B means F is son of A and C. D is daughter of A means D is daughter of A and C

Clearly. from the data available. the wife of E cannot be determined. 

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Filed Under: Blood Relations

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