Quantitative Aptitude - Arithmetic Ability Questions

Q:

In the following question, four number pairs are given. The number on left side of (–) is related to the number on the right side of (–) with some Logic/Rule/Relation. Three are similar on basis of same Logic/Rule/Relation. Select the odd one out from the

A) 39 – 43 B) 23 – 27
C) 31 – 35 D) 35 – 37
 
Answer & Explanation Answer: D) 35 – 37

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Q:

28% of a number is 35. What is the number?

A) 108 B) 120
C) 80 D) 125
 
Answer & Explanation Answer: D) 125

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Q:

If (tanA + tanB)/(1 ­ tanAtanB) = x, then the value of x is

A) tan(A + B) B) tan(A -­ B)
C) cot(A + B) D) cot(A ­- B)
 
Answer & Explanation Answer: A) tan(A + B)

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Q:

Find equation of the perpendicular bisector of segment joining the points (2,­6) and (4,0)?

A) x + 3y = 6 B) x + 3y = -­6
C) x -­ 3y = -­6 D) x ­- 3y = 6
 
Answer & Explanation Answer: B) x + 3y = -­6

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Q:

If the difference between the roots of the equation Ax2  Bx + C = 0 is 4, then which of the following is TRUE?

A) B2 – 16A2 = 4AC + 4B2 B) B2 – 10A2 = 4AC + 6A2
C) B2 – 8A2 = 4AC + 10A2 D) B2 – 16A2 = 4AC + 8B2
 
Answer & Explanation Answer: B) B2 – 10A2 = 4AC + 6A2

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Q:

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

A) 23498 B) 9494
C) 6946 D) 15578
 
Answer & Explanation Answer: C) 6946

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Q:

If 4 + 3x ≤ 6 + x and 3x + 5 > 2 + 2x; then x can take which of the following values?

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

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Q:

What is the value of equation a3+b3+c3-3abc if a2+b2+c2=ab+bc+ca+4 and a+b+c = 4.

A) 0 B) 1
C) 16 D) 256
 
Answer & Explanation Answer: C) 16

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