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 Quantitative Aptitude - Arithmetic Ability Questions

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Q:

ABCD is a parallelogram. Co-ordinates of A, B and C are (5,0), (-2,3) and (-1,4) respectively. What will be the equation of line AD?

A) y = 2x - 5 B) y = x + 5
C) y = 2x + 5 D) y = x - 5
 
Answer & Explanation Answer: D) y = x - 5

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Q:

If a(x + y) = b(x - y) = 2ab, then the value of 2(x2 + y2)

A) 2(a2 - b2) B) 2(a2 + b2)
C) 4(a2 - b2) D) 4(a2 + b2)
 
Answer & Explanation Answer: D) 4(a2 + b2)

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Q:

If (x - 4) (x2 + 4x + 16) = x3 - P, then P is equal to

A) 27 B) 8
C) 64 D) 0
 
Answer & Explanation Answer: C) 64

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Q:

Select the related word/letters/number from the given alternatives.
1 : 8 :: ? :64

A) 25 B) 36
C) 30 D) 27
 
Answer & Explanation Answer: D) 27

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Q:

Of three positive numbers, the ratio of first and second is 5 : 2, ratio of second and third is 5 : 4. The product of first and third is 1800. What is the sum of the three numbers?

A) 43 B) 133
C) 119 D) 129
 
Answer & Explanation Answer: D) 129

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Q:

In an alloy of German silver the ratio of copper to zinc was 17:7 while that of nickel to zinc was 4 :3. The ratio of copper to zinc to nickel in the alloy was

A) 17 : 21 : 4 B) 51 : 21 : 28
C) 68 : 28 : 21 D) 17 : 28 : 3
 
Answer & Explanation Answer: B) 51 : 21 : 28

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Q:

In the following question, select the odd letter/letters from the given alternatives.

A) BE B) SU
C) AD D) OR
 
Answer & Explanation Answer: B) SU

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Q:

If √[(1 + cosA)/2] = x, then find the value of x.

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

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