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 Quantitative Aptitude - Arithmetic Ability Questions

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Q:

Find two numbers such that their mean proportion is 8 and third proportion is 64.

A) 4 and 8 B) 8 and 16
C) 8 and 8 D) 4 and 16
 
Answer & Explanation Answer: D) 4 and 16

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Filed Under: Ratios and Proportions
Exam Prep: Bank Exams

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Q:

What is the value of 2sec2A?

A) secA/(cosecA - ­1) + secA/(cosecA +1) B) cosecA/(secA -­1) + cosecA/(secA +1)
C) cosecA/(cosecA - ­1) + cosecA/(cosecA +1) D) secA/(secA - ­1) + secA/(secA +1)
 
Answer & Explanation Answer: C) cosecA/(cosecA - ­1) + cosecA/(cosecA +1)

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Filed Under: Simplification
Exam Prep: Bank Exams

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Q:

Product of digits of a 2­digit number is 12. If we add 36 to the number, the new number obtained is a number formed by interchange of the digits. What is the number.

A) 62 B) 34
C) 26 D) 43
 
Answer & Explanation Answer: C) 26

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Filed Under: Problems on Numbers
Exam Prep: Bank Exams

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Q:

Find the simple interest on Rs. 50 for 6 months at the rate of 10 paise per rupee per month.

A) Rs.35 B) Rs.40
C) Rs.25 D) Rs.30
 
Answer & Explanation Answer: D) Rs.30

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Filed Under: Simple Interest
Exam Prep: Bank Exams

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Q:

ABCD is a quadrilateral with AB = 9 cm, BC = 40 cm, CD = 28 cm, DA = 15 cm and angle ABC is a right –angel
What is the area of quadrilateral ABCD?

A) 300 SQ.CM   B) 306 SQ.CM
C) 312 SQ.CM D) 316 SQ.CM
 
Answer & Explanation Answer: D) 316 SQ.CM

Explanation:
Area of quadrilateral ABCD = area of triangle ADC + area of triangle ABC
= 126 + ½ * 9 * 40 = 306
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Filed Under: Volume and Surface Area
Exam Prep: Bank Exams

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Q:

Mohan earns a profit of 20% on selling a jean at 15% discount on printed price. The ratio of the cost price to printed price of the jean is

A) 17:24 B) 17:34
C) 16:13 D) 21:23
 
Answer & Explanation Answer: A) 17:24

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Filed Under: Profit and Loss
Exam Prep: Bank Exams

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Q:

Two donkeys are standing 400 meters apart. First donkey can run at a speed of 3 m/sec and the second can run at 2 m/sec. If two donkeys run towards each other after how much time (in sec) will they bump into each other?

A) 60 B) 80
C) 400 D) 40
 
Answer & Explanation Answer: B) 80

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Filed Under: Time and Distance
Exam Prep: Bank Exams

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Q:

A non-zero number is greater than 7 times its reciprocal by 9.3. What is the number?

A) 10 B) 20
C) 5 D) 14
 
Answer & Explanation Answer: A) 10

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Filed Under: Problems on Numbers
Exam Prep: Bank Exams

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