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 Quantitative Aptitude - Arithmetic Ability Questions

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Q:

If √[(1 - cosA)/2] = x, then the value of x is

A) cos(A/2) B) tan(A/2)
C) sin(A/2) D) cot(A/2)
 
Answer & Explanation Answer: C) sin(A/2)

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Q:

What is the value of a-b when a2+b2-6a-6b+18 = 0 ?

A) 0 B) 3
C) 6 D) 9
 
Answer & Explanation Answer: A) 0

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Q:

If the amount received at the end of 2nd and 3rd year at Compound Interest on a certain Principal is Rs 29160, and Rs 31492.8 respectively, what is the rate of interest?

A) 4 percent B) 8 percent
C) 16 percent D) 13 percent
 
Answer & Explanation Answer: B) 8 percent

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Q:

The 3rd and 7th term of an arithmetic progression are -9 and 11 respectively. What is the 15th term?

A) 28 B) 87
C) 51 D) 17
 
Answer & Explanation Answer: C) 51

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Q:

The equation of a line is given by 4y-6x+9=0. Find the slope of other line which is perpendicular to it.

 

A) -2/3 B) 2/3
C) 3/2 D) -3/2
 
Answer & Explanation Answer: A) -2/3

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Q:

In a rectangle _____.

A) Diagonals are perpendicular to each other B) Diagonals are not equal
C) Diagonals bisect each other D) Diagonals bisect opposite angles
 
Answer & Explanation Answer: C) Diagonals bisect each other

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Q:

If x tan 60° + cos 45° = sec 45° then the value of x2 + 1 is

A) 6/7 B) 7/6
C) 5/6 D) 6/5
 
Answer & Explanation Answer: B) 7/6

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Q:

The simplified form of (x + 3)2 + (x - 1)2 is

A) (x2 + 2x + 5) B) 2(x2 + 2x + 5)
C) (x2 - 2x + 5) D) 2(x2 - 2x + 5)
 
Answer & Explanation Answer: B) 2(x2 + 2x + 5)

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