Quantitative Aptitude - Arithmetic Ability Questions

Q:

A 1.6 m tall observer is 45 meters away from a tower. The angle of elevation from his eye to the top of the tower is 30°, then the height of the tower in meters is

A) 25.98 B) 26.58
C) 27.58 D) 27.98
 
Answer & Explanation Answer: C) 27.58

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Q:

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

A) 1444 – 37 B) 2809 – 54
C) 2209 – 46 D) 6084 – 77
 
Answer & Explanation Answer: B) 2809 – 54

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Q:

How many numbers are there from 300 to 700 which are divisible by 2, 3 and 7?

A) 7 B) 8
C) 9 D) 10
 
Answer & Explanation Answer: C) 9

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Q:

Sec 45% + Tan 30% =

A) (√6 + 1)/√3 B) (1 + √3)/2
C) (√3 + 2)/√3 D) 5/√3
 
Answer & Explanation Answer: A) (√6 + 1)/√3

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Q:

If (1 - sinA)/(1 + sinA) = x, then x is

A) (cosecA - cotA)2 B) secA - tanA
C) (secA - tanA)2 D) cosecA - cotA
 
Answer & Explanation Answer: C) (secA - tanA)2

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Q:

On a certain principal if the simple interest for two years is Rs 2800 and compound interest for the two years is Rs 2996, what is the rate of Interest?

A) 14 percent B) 7 percent
C) 28 percent D) 21 percent
 
Answer & Explanation Answer: A) 14 percent

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Q:

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

A) Adamant B) Stubborn
C) Tenacious D) Lenient
 
Answer & Explanation Answer: D) Lenient

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Q:

The value of tan 315° cot (­ -405° ) is equal to

A) -1 B) 1
C) 0 D) 2
 
Answer & Explanation Answer: B) 1

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