Quantitative Aptitude - Arithmetic Ability Questions

Q:

The average of 5 members of a family is 24 years. If the youngest member is 8 years old, then what was the average age (in years) of the family at the time of the birth of the youngest member?

A) 16 B) 20
C) 24 D) 30
 
Answer & Explanation Answer: B) 20

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

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Q:

For an article the profit is 190% of the cost price. If the cost price increase by 10% but the selling price remains same, then profit is what percentage of selling price (approximately)?

A) 54 B) 62
C) 73 D) 163
 
Answer & Explanation Answer: B) 62

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Filed Under: Profit and Loss
Exam Prep: Bank Exams

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Q:

The effective annual rate of interest corresponding to a nominal rate of 15% per annum payable half-yearly is

A) 15.56 percent B) 30 percent
C) 31.13 percent D) 15 percent
 
Answer & Explanation Answer: A) 15.56 percent

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Filed Under: Simple Interest
Exam Prep: Bank Exams

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Q:

The bus fare between two cities is increased in the ratio 29:31. What is the increase in the fare, if the original fare is Rs 725

A) Rs 50 B) Rs 775
C) Rs 155 D) Rs 310
 
Answer & Explanation Answer: A) Rs 50

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Filed Under: Ratios and Proportions
Exam Prep: Bank Exams

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Q:

AB is a diameter of a circle. C is a point on the tangent drawn at A . If AB = 8 cm and AC = 6 cm , then the length of BC is

A) 10 cm B) 14 cm
C) 5 cm D) 7 cm
 
Answer & Explanation Answer: A) 10 cm

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Filed Under: Simplification
Exam Prep: Bank Exams

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Q:

The length of a median of an equilateral triangle is 12√3 cms. Then the area of the triangle is

A) 144 sq. cms B) 288√3 sq. cms
C) 144√3 sq. cms D) 288sq.cms
 
Answer & Explanation Answer: C) 144√3 sq. cms

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Filed Under: Simplification
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:

Find two numbers such that their mean proportion is 16 and third proportion is 1024.

A) 4 and 32 B) 4 and 64
C) 8 and 64 D) 8 and 32
 
Answer & Explanation Answer: B) 4 and 64

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Filed Under: Ratios and Proportions
Exam Prep: Bank Exams

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