Aptitude and Reasoning Questions

Q:

If the angle of elevation of the sun decreases from 45° to 30°, then the length of the shadow of a pillar increases by 60m. The height of the pillar is

A) 60(√3+1) m B) 30(√3-1) m
C) 30(√3+1) m D) 60(√3-1) m
 
Answer & Explanation Answer: C) 30(√3+1) m

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Filed Under: Simplification
Exam Prep: Bank Exams

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Q:

If the three numbers in the ratio 3:2:5 be such that the sum of the squares is equal to 1862 then which number is the middle one.

A) 16 B) 14
C) 13 D) 15
 
Answer & Explanation Answer: B) 14

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Filed Under: Ratios and Proportions
Exam Prep: Bank Exams

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Q:

The average of 9 observations was found to be 35. Later on, it was detected that an observation 81 was misread as 18. The correct average of the observations is

A) 28 B) 42
C) 35 D) 45
 
Answer & Explanation Answer: B) 42

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Filed Under: Average
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Q:

A series is given, with one number missing. Choose the correct alternative from the given ones that will complete the series.

1, 0.25, 1/9, ? , 0.04, 1/36

A) 0.0625 B) 0.025
C) 1/8 D) 1/6
 
Answer & Explanation Answer: A) 0.0625

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Filed Under: Number Series
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Q:

Select the odd number from the given alternatives.

A) 24 B) 39
C) 65 D) 51
 
Answer & Explanation Answer: C) 65

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Filed Under: Odd Man Out
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Q:

The measure of the four successive angles of a quadrilateral are in the ratio 7 : 11 : 7 : 11. The quadrilateral is a ______.

A) trapezium B) rectangle
C) parallelogram D) square
 
Answer & Explanation Answer: C) parallelogram

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Filed Under: Volume and Surface Area
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Q:

In ΔDEF measure of angle E is 90 deg. If sinD = 15/17, and DE = 4cm, then what is the length (in cm) of side EF?

A) 8.5 B) 7.5
C) 5 D) 6
 
Answer & Explanation Answer: B) 7.5

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Q:

What is the fourth proportional to 6, 24 and 83?

A) 249 B) 332
C) 166 D) 498
 
Answer & Explanation Answer: B) 332

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Filed Under: Ratios and Proportions
Exam Prep: Bank Exams

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