Quantitative Aptitude - Arithmetic Ability Questions

Q:

Expand and simplify (x + 4)2 + (x -­ 2)2

A) 2(x2 + 2x + 10) B) 2(x2 + 2x -­ 10)
C) 2(x2 -­ 2x + 10) D) 2(x2 -­ 2x ­- 10)
 
Answer & Explanation Answer: A) 2(x2 + 2x + 10)

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Filed Under: Simplification
Exam Prep: Bank Exams

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Q:

Which of the following equations has real and distinct roots?

A) 3x2 - 6x + 2 = 0 B) 3x2 - 6x + 3 = 0
C) x2 - 8x + 16 = 0 D) 4x2 - 8x + 4 = 0
 
Answer & Explanation Answer: A) 3x2 - 6x + 2 = 0

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Filed Under: Simplification
Exam Prep: Bank Exams

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Q:

A merchant marked cloth at Rs. 50/metre . He offers 2 successive discounts of 15% and 20%. The net price/metre is

A) Rs. 32.50 B) Rs. 42.50
C) Rs. 34.00 D) Rs. 40.00
 
Answer & Explanation Answer: C) Rs. 34.00

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Filed Under: Percentage
Exam Prep: Bank Exams

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Q:

A, B and C can do a job working alone in 6, 9 and 18 days respectively. They all work together for 1 day, then A and B quit. How many days C working alone will take to complete the remainder of the job?

A) 9 B) 6
C) 12 D) 10
 
Answer & Explanation Answer: C) 12

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Filed Under: Time and Work
Exam Prep: Bank Exams

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Q:

Deepti bought a set of cups for Rs. 175, but then had to sell it later to clear old stocks for Rs. 161. What is the percentage of loss that she had to incur?

A) 16 B) 8
C) 7 D) 14
 
Answer & Explanation Answer: B) 8

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Filed Under: Profit and Loss
Exam Prep: Bank Exams

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Q:

5% more is gained by selling a watch for Rs. 350 than by selling it for Rs. 340. The cost price of the watch is

A) Rs. 110 B) Rs. 140
C) Rs. 200 D) Rs. 250
 
Answer & Explanation Answer: C) Rs. 200

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Q:

In ΔABC, AD is the median and AD = (1/2)BC. If ∠ACD = 40°, then what is the value (in degrees) of ∠DAB?

A) 30 B) 40
C) 50 D) 60
 
Answer & Explanation Answer: C) 50

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Filed Under: Volume and Surface Area
Exam Prep: Bank Exams

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Q:

ΔXYZ is similar to ΔPQR. If ratio of Perimeter of ΔXYZ and Perimeter of ΔPQR is 4:9 and if PQ = 27 cm, then what is the length of XY (in cm)?

A) 9 B) 12
C) 16 D) 15
 
Answer & Explanation Answer: B) 12

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Filed Under: Volume and Surface Area
Exam Prep: Bank Exams

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