Aptitude and Reasoning Questions

Q:

On a ground , there is a vertical tower with a flagpole on its top . At a point 9 m away from the foot of the tower , the angles of elevation of the top and bottom of the flagpole are 60° and 30° respectively . The height of the flagpole is

A) 5√3 m B) 6√3 m
C) 6√2m D) 6√5 m
 
Answer & Explanation Answer: B) 6√3 m

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Filed Under: Height and Distance
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Q:

What number will come in place of ? in the following question?

A) 2 B) 7
C) 14 D) 28
 
Answer & Explanation Answer: C) 14

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Filed Under: Arithmetical Reasoning
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Q:

In each of the questions below are given three statements followed by three conclusions numbered I, II and III. You have to take the given statements to be true even if they seem to be at variance from commonly known facts. Read all the conclusions and then decide which of the given conclusions logically follows from the given statements disregarding commonly known facts.

Statements:
Some bags are plates.
Some plates are chairs.
All chairs are tables.

Conclusions:
I. Some tables are plates.
II. Some chairs are bags.
III. No chair is bag

A) Only I follows B) Only either II or III follows
C) Only I and either II or III follows D) Only III follows
 
Answer & Explanation Answer: C) Only I and either II or III follows

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Q:

The mean score in a test of the 12 boys in a class was 16 while the overall mean of the 30 students in the class was 18.1. What was the mean score of the girls?

A) 19.8 B) 20.5
C) 20 D) 19.5
 
Answer & Explanation Answer: D) 19.5

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Filed Under: Average
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Q:

In DEF measure of angle E is 90°. If secD = 25/7, and DE = 1.4cm, then what is the length (in cm) of side DF?

A) 5 B) 4.8
C) 4 D) 5.6
 
Answer & Explanation Answer: A) 5

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Filed Under: Simplification
Exam Prep: Bank Exams

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Q:

Dipali bought a set of cups for Rs. 375, but then had to sell it later to clear old stocks for Rs. 345. What is the percentage of loss that she incurred?

A) 14 B) 7
C) 16 D) 8
 
Answer & Explanation Answer: D) 8

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Filed Under: Profit and Loss
Exam Prep: Bank Exams

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Q:

tan3A is equal to

A) 3tanA -­ tan3A(1 -­ 3tan2A) B) 3tanA + tan3A(1 -­ 3tan2A)
C) 3tanA -­ tan3A(1 + 3tan2A) D) 3tanA + tan3A(1 + 3tan2A)
 
Answer & Explanation Answer: A) 3tanA -­ tan3A(1 -­ 3tan2A)

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Filed Under: Simplification
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Q:

If x = cosecθ - sinθ and y = secθ - cosθ, then the relation between x and y is

A) x2+ y2+ 3 =1 B) x2y2 (x2+ y2+3)=1
C) x2 (x2+ y2 - 5)=1 D) y2 (x2+ y2 - 5)=1
 
Answer & Explanation Answer: B) x2y2 (x2+ y2+3)=1

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Filed Under: Simplification
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