Aptitude and Reasoning Questions

Q:

If 'W' means 'x', 'X' means '-', 'Y' means '+' and 'Z' means '/', then 28 Z 7 W 8 X 6 Y 4 = ?

 

A) 30 B) 3/2
C) 32 D) 34
 
Answer & Explanation Answer: A) 30

Explanation:
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Filed Under: Coding and Decoding
Exam Prep: Bank Exams

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Q:

A certain number of men can finish a piece of work in 100 days. If there were 10 men less, it would take 10 days more for the work to be finished. How many men were there originally?

A) 75 B) 82
C) 100 D) 110
 
Answer & Explanation Answer: D) 110

Explanation:

Originally let there be x men.

Less men, More days     (Indirect Proportion)

 Therefore, (x-10) : x  :: 100 :110

=> (x - 10) * 110 = x * 100    => x= 110

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Filed Under: Chain Rule

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Q:

If x32 - 1x16 = 5, then find the value of x96 - 1x48.

 

 

A) 40 B) 70
C) 140 D) 180
 
Answer & Explanation Answer: C) 140

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Filed Under: Simplification
Exam Prep: Bank Exams

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Q:

In the following question, select the related word pair from the given alternatives.

Apple : Fruit : : ? : ?

 

A) Orange : Vegetable B) Table : Chair
C) Fruit : Guava D) Scooter : Vehicle
 
Answer & Explanation Answer: D) Scooter : Vehicle

Explanation:
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Filed Under: Analogy
Exam Prep: Bank Exams

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Q:

If '+' means x, '-' means /, 'x' means + and '/' means -, compute the value of the expression

 

17 + 6 x 13 / 8

A) 100 B) 107
C) 110 D) 109
 
Answer & Explanation Answer: B) 107

Explanation:
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Filed Under: Coding and Decoding
Exam Prep: Bank Exams

1 44380
Q:

If 16#2 = 16, 12#6 = 36 and 6#1 = 3, then find the value of 4#4 = ?

 

A) 2 B) 4
C) 10 D) 8
 
Answer & Explanation Answer: D) 8

Explanation:
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Filed Under: Coding and Decoding
Exam Prep: Bank Exams

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Q:

A train 125 m long passes a man, running at 5 km/hr in the same direction in which the train is going, in 10 seconds. The speed of the train is ?

A) 45 kmph B) 25 kmph
C) 30 kmph D) 50 kmph
 
Answer & Explanation Answer: D) 50 kmph

Explanation:

Speed of the train relative to man = (125/10) m/sec = (25/2) m/sec.
[(25/2) x (18/5)] km/hr = 45 km/hr.
Let the speed of the train be 'S' km/hr.
Then, relative speed = (S - 5) km/hr.
S - 5 = 45 => S = 50 km/hr.

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Filed Under: Problems on Trains
Exam Prep: AIEEE , Bank Exams , CAT , GATE
Job Role: Bank Clerk , Bank PO

49 44334
Q:

The difference between compound interest and simple interest on a sum for two years at 8% per annum, where the interest is compounded annually is Rs.16. if the interest were compounded half yearly , the difference in two interests would be nearly

A) Rs.24.64 B) Rs.21.85
C) Rs.16 D) Rs.16.80
 
Answer & Explanation Answer: A) Rs.24.64

Explanation:

For 1st year S.I =C.I.

 

Thus, Rs.16 is the S.I. on S.I. for 1 year, which at 8% is thus Rs.200

 

i.e S.I on the principal for 1 year is Rs.200

 

Principle = Rs.100*2008*1 = Rs.2500

 

Amount for 2 years, compounded half-yearly

 Rs.2500*1+41004=Rs.2924.4

 

C.I = Rs.424.64

 

Also, S.I=Rs.2500*8*2100=Rs.400

 

Hence, [(C.I) - (S.I)] = Rs. (424.64 - 400) = Rs.24.64

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Filed Under: Compound Interest
Exam Prep: Bank Exams
Job Role: Bank PO

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