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 Quantitative Aptitude - Arithmetic Ability Questions

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Q:

The value of cos220° + cos270° is

A) √2 B) 2
C) 1 D) 1/√2
 
Answer & Explanation Answer: C) 1

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Q:

The value of -261+(-380)-(-521)+821-(-121)

A) 833 B) 825
C) 822 D) 800
 
Answer & Explanation Answer: C) 822

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Q:

The distance between the points (7,7) and (k,-5) is 13. Find k?

A) -2 B) 4
C) -4 D) 2
 
Answer & Explanation Answer: D) 2

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Q:

In these tests find the Odd figure out

A) a B) b
C) c D) d
 
Answer & Explanation Answer: B) b

Explanation:
In option B shaded circle is common of all three circles but in others the shaded circle is the common part of only two circles.
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Q:

In an acute-angled triangle ABC is Sin(B+A+C)=32 and tan(C+A-B)=1, then C is equal to

A) 37.5° B) 67.5°
C) 52.5° D) 72.5°
 
Answer & Explanation Answer: C) 52.5°

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Q:

Which of the following quadratic equations has real roots?

A) 3x2 -­ 5x + 2 = 0 B) 3x2 -­ 4x + 2 = 0
C) 4x2 -­ 3x + 2 = 0 D) 5x2 -­ 2x + 2 = 0
 
Answer & Explanation Answer: A) 3x2 -­ 5x + 2 = 0

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Q:

Δ LMN is right angled at M. If m∠N = 60°, then Tan L =______.

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

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Q:

What is the value of xy if x - y = 3 and x2+y2=15?

A) 1 B) 3
C) 5 D) 7
 
Answer & Explanation Answer: B) 3

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