Quantitative Aptitude - Arithmetic Ability Questions

Q:

What is the value of (1+cosA)/(1-­cosA)?

A) (cosecA ­- cotA)2 B) (cosecA + cotA)2
C) (secA + cotA)2 D) (secA -­ cotA)2
 
Answer & Explanation Answer: B) (cosecA + cotA)2

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Filed Under: Simplification
Exam Prep: Bank Exams

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Q:

Working 7 hours in a day, 4 men can do a piece of work in 8 days. Working 8 hours in a day, the required number of men to perform the same work in 4 days will be

A) 8 B) 4
C) 7 D) 9
 
Answer & Explanation Answer: C) 7

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Filed Under: Time and Work
Exam Prep: Bank Exams

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Q:

In ΔABC , DE || AC. Where D and E are two points lying on AB and BC respectively. If AB = 5 cm and AD = 3 cm, then BE : EC is

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

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

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Q:

Each member of a club contributes as much rupees and as much paise as the number of members of the club. If the total contribution is Rs. 2525, then the number of members of the club is

A) 60 B) 45
C) 55 D) 50
 
Answer & Explanation Answer: D) 50

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Filed Under: Average
Exam Prep: Bank Exams

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Q:

ΔABC is right angled at B. BD is the altitude. AD is 18 cm and DC is 50 cm. Find length of BD?

A) 30 cm B) 25 cm
C) 35 cm D) 15 cm
 
Answer & Explanation Answer: A) 30 cm

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Filed Under: Area
Exam Prep: Bank Exams

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Q:

Out of the 60 students of a class, 29 took Mathematics, 32 took Biology and 8 took none of the two subjects. How many students took both Mathematics and Biology?

A) 8 B) 9
C) 7 D) 6
 
Answer & Explanation Answer: B) 9

Explanation:

Number of students who took only Mathematics n(m) = 29
Number of students who took only biology n(b) = 32
Total number of students n(t) = 60
Total number of students of both mathematics and biology n(m b) = 60 - 8 = 52
Total number of students who took both = 32 + 29 - 52 = 9

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Filed Under: Simplification
Exam Prep: AIEEE , Bank Exams , CAT

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Q:

If x/y = 2/3, then what is the ratio of (3x + 2y) and (3x – y)?

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

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Filed Under: Ratios and Proportions
Exam Prep: Bank Exams

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Q:

10 people can build a wall in 12 days. Six people, each only half as efficient as those in the first group, will be able to complete 3/5 of such a wall in

A) 24 days B) 20 days
C) 18 days D) 25 days
 
Answer & Explanation Answer: A) 24 days

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Filed Under: Time and Work
Exam Prep: Bank Exams

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