Quantitative Aptitude - Arithmetic Ability Questions

Q:

Find length of the arc whose central angle is 45° and radius of the circle is 28 cm?

A) 11 cm B) 33 cm
C) 44 cm D) 22 cm
 
Answer & Explanation Answer: D) 22 cm

Explanation:
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Filed Under: Simplification
Exam Prep: Bank Exams

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Q:

Two numbers are 40% and 80% lesser than a third number. By how much percent is the second number to be enhanced to make it equal to the first number?

A) 100 B) 33.3
C) 66.6 D) 200
 
Answer & Explanation Answer: D) 200

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Filed Under: Problems on Numbers
Exam Prep: Bank Exams

2 1880
Q:

Which of the numbers given below is the square root of 14161?

A) 119 B) 121
C) 131 D) 141
 
Answer & Explanation Answer: A) 119

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Filed Under: Square Roots and Cube Roots
Exam Prep: Bank Exams

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Q:

The average age of students of a class is 15.8 years. The average age of boys in the class is 16.4 years and that of the girls is 15.4 years. The ratio of the number of boys to the number of girls in the class is:-

A) 1:2  B) 2:3
C) 3:4 D) 3:5
 
Answer & Explanation Answer: B) 2:3

Explanation:

Let the ratio be x : y
Total boys = 16.4 X x
Total girls = 15.4 X y
Total number of students in class = 16.4x + 15.4y
The average age of all students is 15.8
The total age of boys is 15.8x
The total age of girls is 15.8y
16.4x + 15.4y = 15.8x + 15.8y
0.6 x = 0.4 y
x/y = 0.4/0.6 = 2/3

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Filed Under: Ratios and Proportions
Exam Prep: Bank Exams

2 1879
Q:

The upstream speed of the boat is 40 kmph and the speed of the boat in still water is 55 kmph. What is the downstream speed of the boat?

A) 75 kmph B) 70 kmph
C) 60 kmph D) 65 kmph
 
Answer & Explanation Answer: B) 70 kmph

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Filed Under: Boats and Streams
Exam Prep: Bank Exams

3 1879
Q:

If (6x ­- 1) -­ (8x -­ 5) = 7, then the value of x is _______ .

A) -3/2 B) 3/2
C) 11/2 D) -11/2
 
Answer & Explanation Answer: A) -3/2

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Filed Under: Simplification
Exam Prep: Bank Exams

1 1878
Q:

The ratio of the heights of Nani and Leelu is 4 : 3. If Leelu is 1.2 m tall, then what is the height of Nani?

A) 1.6 m B) 2 m
C) 0.9 m D) 1.8 m
 
Answer & Explanation Answer: A) 1.6 m

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Filed Under: Ratios and Proportions
Exam Prep: Bank Exams

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Q:

In the following question, select the odd word from the given alternatives.

A) Baseball B) Football
C) Hockey D) Snooker
 
Answer & Explanation Answer: D) Snooker

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Filed Under: Odd Man Out
Exam Prep: Bank Exams

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