Quantitative Aptitude - Arithmetic Ability Questions

Q:

What is the value of (√3 - sec60) ?

A) √3-2 B) (1-√6)/√2
C) (2√3-√6)/2√2 D) (1-3√2)/3
 
Answer & Explanation Answer: A) √3-2

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Filed Under: Simplification
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Q:

ΔPQR has sides PQ and PR measuring 983 and 893 units respectively. How many such triangles are possible with all integral sides?

A) 1876 B) 90
C) 1785 D) 1786
 
Answer & Explanation Answer: C) 1785

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Filed Under: Volume and Surface Area
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Q:

A right circular cylinder has height as 18 cm and radius as 7 cm. The cylinder is cut in three equal parts (by 2 cuts parallel to base). What is the percentage increase in total surface area?

A) 62 B) 56
C) 48 D) 52
 
Answer & Explanation Answer: B) 56

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Q:

After buying a toy for Rs. 66, Raghu managed to sell it at a profit of 15%. The selling price of the toy was

A) Rs. 75.90 B) Rs. 70.80
C) Rs. 75.20 D) Rs. 76.90
 
Answer & Explanation Answer: A) Rs. 75.90

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Filed Under: Profit and Loss
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Q:

The ratio between Ram's age and Rahim's age is 10:11. What is the age of Rahim in percentage of Ram's age

A) 109111% B) 110%
C) 11119% D) 111%
 
Answer & Explanation Answer: B) 110%

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Q:

Find equation of the perpendicular bisector of segment joining the points (2,-5) and (0,7)?

A) x - 6y = 5 B) x + 6y = -5
C) x - 6y = -5 D) x + 6y = 5
 
Answer & Explanation Answer: C) x - 6y = -5

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Q:

The simple interest on a certain sum of money invested at a certain rate for 2 years amounts to Rs. 1200. The compound interest on the same sum of money invested at the same rate of interest for 2 years amounts to Rs. 1290. What was the principal?

A) Rs. 12000 B) Rs. 16000
C) Rs. 6000 D) Rs. 4000
 
Answer & Explanation Answer: D) Rs. 4000

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Filed Under: Simple Interest
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Q:

Which of the following quadratic equations has equal roots?

A) x2 -­ 14x -­ 49 = 0 B) x2 + 7x + 49 = 0
C) x2 -­ 7x -­ 49 = 0 D) x2 + 14x + 49 = 0
 
Answer & Explanation Answer: D) x2 + 14x + 49 = 0

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