Quantitative Aptitude - Arithmetic Ability Questions

Q:

A shopkeeper by selling 23 Lotto shoes, earns a profit equal to the selling price of 7 Lotto shoes. His profit percentage is

A) 43.75 percent B) 30.4 percent
C) 60.8 percent D) 17.05 percent
 
Answer & Explanation Answer: A) 43.75 percent

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Filed Under: Profit and Loss
Exam Prep: Bank Exams

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Q:

A bus moves at a speed of 84 km/hr after repairing and moves at a speed of 56 km/hr before repairing. It covers 2x distance in 8 hours after repairing.How much time (in hours) will it take to cover x distance before repairing?

A) 8 B) 5
C) 6 D) 9
 
Answer & Explanation Answer: C) 6

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Filed Under: Time and Distance
Exam Prep: Bank Exams

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Q:

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

A) 1 - secA B) 1 + secA
C) 1 + cotA D) 1 - cotA
 
Answer & Explanation Answer: B) 1 + secA

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Filed Under: Simplification
Exam Prep: Bank Exams

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Q:

x, y be two acute angles, x + y < 90° and sin(2x - 20°) = cos(2y + 20°), the value of tan(x + y) is

A) √3 B) 1/√3
C) 1 D) 2+√2
 
Answer & Explanation Answer: C) 1

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Filed Under: Area
Exam Prep: Bank Exams

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Q:

If 7x + 6y = 5xy and 10x ­- 4y = 4xy, then value of x and y is

A) 3, 2 B) 2, 3
C) 4, 2 D) 5, 6
 
Answer & Explanation Answer: C) 4, 2

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Filed Under: Simplification
Exam Prep: Bank Exams

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Q:

A bank offers 20% compound interest calculated on half year basis. A customer deposits Rs 9200 each on 1st January and 1st July of a year. At the end of the year, the amount he would have gained by way of interest is

A) Rs 11776 B) Rs 2944
C) Rs 1472 D) Rs 5888
 
Answer & Explanation Answer: D) Rs 5888

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Filed Under: Compound Interest
Exam Prep: Bank Exams

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Q:

If a3 + b3 = 35 and ab = 6, then what is the value of a + b?

A) 5 B) 8
C) 2 D) -8
 
Answer & Explanation Answer: A) 5

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Filed Under: Simplification
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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