Aptitude and Reasoning Questions

Q:

15% of 32 is

A) 3.6 B) 4.8
C) 5.2 D) 5.8
 
Answer & Explanation Answer: B) 4.8

Explanation:

15% of 32 is 

15 x 32/100 = 4.8.

 

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Q:

In a certain code language, "LIAR" is written as "5782" and "RANGE" is written as "28641". How is "ARRANGE" written in that code language?

A) 8288641 B) 8222641
C) 8228641 D) 8228614
 
Answer & Explanation Answer: C) 8228641

Explanation:
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Q:

K men agree to donate a gift of Rs. L to trust. If three men drop out how much more will each have to contribute towards the purchase of the gift ?

A) L / (k-3) B) k / (L-3)
C) 2K / 3L-K D) 3L / K(K-3)
 
Answer & Explanation Answer: D) 3L / K(K-3)

Explanation:

Intial contribution = L/K
After 3 men drop, then contribution =L/K-3
The amount more to pay in contribution = LK-3 - LK

 

3LK(K-3)

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Q:

In a certain code language, "DONKEY" is written as "YEKNOD". Howis "RAINBOW" written in that code language?

A) WOBNAIR B) WOBNIAR
C) WONBAIR D) WOBNRAI
 
Answer & Explanation Answer: B) WOBNIAR

Explanation:
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Q:

The ratio of present ages of R and S is 11:17. Before 11 years the ratio of their ages was 11:20. What is R's present age (in years)?

A) 51 B) 33
C) 22 D) 40
 
Answer & Explanation Answer: B) 33

Explanation:
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Q:

Weights of two friends A and B are in the ratio of 7 : 8. A’s weight increases by 10% and the total weight of A and B increase by 20%. What is the percentageincrease in the B’s weight?

A) 28.75 B) 11.55
C) 32.85 D) 24.25
 
Answer & Explanation Answer: A) 28.75

Explanation:
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Q:

In the following question, a matrix of certain characters is given.These characters follow a certain trend, row-wise or column wise.Find out this trend and choose the missing character accordingly.

13 12 5
17 15 8
25 24 ?

29

21 20

A) 7 B) 9
C) 11 D) 15
 
Answer & Explanation Answer: A) 7

Explanation:

 Clearly, (3rd column)2 + (2nd column)2 = (1st column)2
In the first row, 52 + 122 = 132.
In the second row, 82 + 152 = 172.
Let the missing number in the third row be y.
Then y2 + 242 = 252 or y2 + 576 = 625 or y2 = 49 or y = 7.

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Q:

If 3 # 6 * 9 = 45 and 9 # 8 * 7 = 105, then what is the value of 5 * 6 # 3 = ?

A) 14 B) 68
C) 86 D) 96
 
Answer & Explanation Answer: B) 68

Explanation:
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