Quantitative Aptitude - Arithmetic Ability Questions

Q:

Value of (4a2+ 12ab + 9b2)/(2a + 3b) is

A) 2a - 3b B) 2a + 3b
C) 2a D) 3b
 
Answer & Explanation Answer: B) 2a + 3b

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Filed Under: Simplification
Exam Prep: Bank Exams

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Q:

x and y are two numbers such that their mean proportion is 16 and third proportion is 128. What is the value of x and y?

A) 8 and 16 B) 16 and 32
C) 8 and 32 D) 16 and 16
 
Answer & Explanation Answer: C) 8 and 32

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Filed Under: Ratios and Proportions
Exam Prep: AIEEE , Bank Exams , CAT

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Q:

If 7x - (3/2) * (4x - 9) = 6.5, then the value of x is?

A) 7 B) 20
C) -7 D) -20
 
Answer & Explanation Answer: C) -7

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Filed Under: Simplification
Exam Prep: Bank Exams

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Q:

a% of b + b% of a = ______

A) 2a% of b B) 2a% of 2b
C) 2a% of 2a D) 2b% of 2b
 
Answer & Explanation Answer: A) 2a% of b

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Filed Under: Percentage
Exam Prep: Bank Exams

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Q:

(242699 + 167109) ÷ (9946 –9446) = ?

A) 852 B) 835
C) 800 D) 820
 
Answer & Explanation Answer: D) 820

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Q:

A  field  can  be  reaped  by  12  men  or  18  women  in  14  days.  In  how  many  days  can  8  men  and  16 women reap it?

A) 26 days B) 24 days
C) 9 days D) 8 days
 
Answer & Explanation Answer: C) 9 days

Explanation:
12 men or 18 women can complete in 14 days
8 men and 16 women can complete in how many days
12men = 18 women (Comparing efficiencies)
1men = 18/12 = 1.5 women
8 men and 16 women = 12women + 16 women = 28 women
18 women completes in 14 days
1 woman completes in 14*18 days
28 women completes in (14*18)/28 days = 9 days
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Filed Under: Time and Work
Exam Prep: Bank Exams

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Q:

In the given figure, PQR is an equilateral triangle with side as 12 cm. S and T are the mid points of the sides PQ and PR respectively. What is the area (in sq.cm) of the shaded region?

A) 10√3 B) 12√3
C) 9√3 D) 14√3
 
Answer & Explanation Answer: B) 12√3

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

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Q:

A wholesaler sells a watch to a retailer at a profit of 33% and the retailer sells it to a customer at a loss of 20%. If the customer pays Rs 2,181.2, what had it cost the wholesaler?

A) Rs 2050 B) Rs 2320
C) Rs 2712 D) Rs 1780
 
Answer & Explanation Answer: A) Rs 2050

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Filed Under: Profit and Loss
Exam Prep: Bank Exams

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