Quantitative Aptitude - Arithmetic Ability Questions

Q:

If the Arithmetic mean of 7, 5, 13, x and 9 is 10, then the value of x is

A) 10 B) 12
C) 14 D) 16
 
Answer & Explanation Answer: D) 16

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Q:

What is the value of Cot 60 - Sec 30?

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

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Q:

In the following question, select the odd word pair from the given alternatives.

A) Mass – Balance B) Temperature – Thermometer
C) Scale – Length D) Pressure – Barometer
 
Answer & Explanation Answer: C) Scale – Length

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Q:

Rearrange the jumbled up letters to form a meaningful word and find the odd one out.

A) ROUWBR B) EDN
C) ORFO D) ETNS
 
Answer & Explanation Answer: C) ORFO

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Q:

What is the equation of the line passing through the point (1,3) and making an angle of -45° with the positive x-axis?

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

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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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Q:

CAlculate : 72-6-45÷5-72-2×2÷2+2

A) -16/18 B) -14/7
C) -12/7 D) -12/18
 
Answer & Explanation Answer: C) -12/7

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Q:

If 3.5x = 0.07y, then find the result of [y-x / y+x]

A) 51/49 B) 49/53
C) 49/51 D) 53/57
 
Answer & Explanation Answer: C) 49/51

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