Quantitative Aptitude - Arithmetic Ability Questions

Q:

The angle of elevation of the top of a 36 m tall tower from the initial position of a person on the ground was 60 deg. She walked away in a manner that the foot of the tower, her initial position and the final position were all in the same straight line. The angle of elevation of the top of the tower from her final position was 30 deg. How much did she walk from her initial position?

 

A) 24√3 m B) 12√3 m
C) 24 m D) 36√3 m
 
Answer & Explanation Answer: D) 36√3 m

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Filed Under: Height and Distance
Exam Prep: Bank Exams

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Q:

The angle of elevation of an aeroplane from a point on the ground is 60 deg. After flying for 30 seconds, the angle of elevation changes to 30 deg. If the aeroplane is flying at a height of 4500 m, then what is the speed (in m/s) of aeroplane?

A) 50√3 B) 100√3
C) 200√3 D) 300√3
 
Answer & Explanation Answer: B) 100√3

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Filed Under: Height and Distance
Exam Prep: Bank Exams

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Q:

The interest earned on Rs. 2250 at the rate of 3% simple interest per annum for 2 years will be

A) Rs. 67.50 B) Rs. 135
C) Rs. 202.50 D) Rs. 225
 
Answer & Explanation Answer: B) Rs. 135

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Filed Under: Simple Interest
Exam Prep: Bank Exams

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Q:

In the following question, four number pairs are given. The number on left side of (–) is related to the number on the right side of (–) with some Logic/Rule/Relation. Three are similar on basis of same Logic/Rule/Relation. Select the odd one out from the

 

A) 4 – 16   B)  9 – 81  
C)  6 – 36   D) 7 – 47
 
Answer & Explanation Answer: D) 7 – 47

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Filed Under: Odd Man Out
Exam Prep: Bank Exams

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Q:

How much does one need to add to 4/5 to obtain 5/4?

A) 16/20 B) 1/-1
C) 1.25/0.8 D) 9/20
 
Answer & Explanation Answer: D) 9/20

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Filed Under: Problems on Numbers
Exam Prep: Bank Exams

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Q:

What is the fraction which, when taken away from 1/2, gives 2/3?

A) 1/3 B) -1/3
C) -1/6 D) 1/6
 
Answer & Explanation Answer: C) -1/6

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Filed Under: Problems on Numbers
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Q:

The shadow of a tower on ground level is increased by 30 m, when the angle of depression by the sun changes from 60 deg to 30 deg. The height of the tower is

 

A) 12√3 m B) 17√3 m
C) 16√3 m D) 15√3 m
 
Answer & Explanation Answer: D) 15√3 m

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Filed Under: Height and Distance
Exam Prep: Bank Exams

1 689
Q:

Choose the correct option for the following figure.

A) AB=BD B) AC=CD
C) BC=AB D) AD
 
Answer & Explanation Answer: B) AC=CD

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Filed Under: Volume and Surface Area
Exam Prep: Bank Exams

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