Quantitative Aptitude - Arithmetic Ability Questions

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:

When a discount of 50% is given on a shirt, the profit is 25%. If the discount is 10%, then the profit is

A) 35 percent B) 55 percent
C) 215 percent D) 125 percent
 
Answer & Explanation Answer: D) 125 percent

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Filed Under: Percentage
Exam Prep: Bank Exams

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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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Exam Prep: Bank Exams

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Q:

If a + b = 8 and ab = 15, then what is the value of a3 + b3?

A) 98 B) 152
C) 124 D) 260
 
Answer & Explanation Answer: B) 152

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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:

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:

If 14/3 + (1/2)(x - 7/3) = -2x/3, then the value of x is?

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

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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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Exam Prep: AIEEE , Bank Exams , CAT

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