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 Quantitative Aptitude - Arithmetic Ability Questions

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Q:

The solution set of 4x - 3y = 47 and 3x + y = 32 is

A) {(15, 3)} B) {(4, 12)}
C) {(11, -1)} D) {(12, 3)}
 
Answer & Explanation Answer: C) {(11, -1)}

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Filed Under: Simplification
Exam Prep: Bank Exams

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Q:

Of three positive numbers, the ratio of first and second is 5 : 2, ratio of second and third is 5 : 4. The product of first and third is 1800. What is the sum of the three numbers?

A) 43 B) 133
C) 119 D) 129
 
Answer & Explanation Answer: D) 129

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Filed Under: Ratios and Proportions
Exam Prep: Bank Exams

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Q:

What is the value of (4/3) cot2 (p/6) + 3 cos2 (150) – 4 cosec2 45 + 8 sin (p/2)?

A) 25/4 B) 1
C) – 7/2 D) 13/2
 
Answer & Explanation Answer: A) 25/4

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Filed Under: Simplification
Exam Prep: Bank Exams

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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:

If a is positive and a2+1a2 = 7, then a3 + 1a3 = ?

A) 9 B) 27
C) 18 D) 0
 
Answer & Explanation Answer: C) 18

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Filed Under: Square Roots and Cube Roots

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Q:

A car covers the first 30 km at a speed of 60 kmph and the next 20 km at 80 kmph. Find the average speed.

A) 65.67 kmph B) 65.33 kmph
C) 66.33 kmph D) 66.67 kmph
 
Answer & Explanation Answer: D) 66.67 kmph

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Filed Under: Time and Distance
Exam Prep: Bank Exams

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Q:

If the loss of percent on article is 15%. Then the ratio of the cost price and sell price will be

A) 17:20 B) 20:17
C) 23:15 D) 15:23
 
Answer & Explanation Answer: B) 20:17

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Filed Under: Profit and Loss
Exam Prep: Bank Exams

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Q:

The area of a circle is 346.5 cm². Find its radius (in cm).

A) 10.5 B) 21
C) 7.5 D) 15
 
Answer & Explanation Answer: A) 10.5

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Filed Under: Area
Exam Prep: Bank Exams

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