Quantitative Aptitude - Arithmetic Ability Questions

Q:

(secA - 1)/(secA + 1) is equal to?

A) (1 - sinA)/(1 + sinA) B) (1 + cosA)/(1 - cosA)
C) (1 + sinA)/(1 - sinA) D) (1 - cosA)/(1 + cosA)
 
Answer & Explanation Answer: D) (1 - cosA)/(1 + cosA)

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Filed Under: Simplification
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Q:

The 3rd and 8th term of an arithmetic progression are -14 and 1 respectively. What is the 11th term?

A) 14 B) 16
C) 20 D) 10
 
Answer & Explanation Answer: D) 10

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Filed Under: Numbers
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Q:

The third proportional of the following numbers (x - ­y)2, (x2 - y2)2 is

A) (x+y)3 (x-­y)2 B) (x+y)4 (x­-y)2
C) (x+y)2 (x-­y)2 D) (x+y)2 (x-y)3
 
Answer & Explanation Answer: B) (x+y)4 (x­-y)2

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Filed Under: Ratios and Proportions
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Q:

Select the odd word/letters/number/number pair from the given alternatives.

A) 7214 B) 3618
C) 3519 D) 9436
 
Answer & Explanation Answer: C) 3519

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Filed Under: Odd Man Out
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Q:

A wholesaler purchased 7 hair clips for a rupee. How many for a rupee must he sell to get profit of 40%.

 

A) 6 B) 5
C) 4 D) 3
 
Answer & Explanation Answer: B) 5

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Filed Under: Profit and Loss
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Q:

Calculate the distance (in cm) of the chord from the centre of the circle, if the chord of length 48 cm is drawn in the circle of radius 25 cm.

A) 7 B) 14
C) 49 D) 56
 
Answer & Explanation Answer: A) 7

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Q:

­ What is the equation of the line if its slope is 3/4 and y­intercept is 5?

A) 3x + 4y = ­-20 B) 3x + 4y = 20
C) 3x ­- 4y = ­-20 D) 3x ­- 4y = 20
 
Answer & Explanation Answer: C) 3x ­- 4y = ­-20

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Q:

A certain sum of money becomes double of itself in 15 years at a rate of simple interest. In how many years will it become 5 times of itself at the same rate of simple interest

A) 45 B) 37.5
C) 75 D) 60
 
Answer & Explanation Answer: D) 60

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Filed Under: Simple Interest

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