Quantitative Aptitude - Arithmetic Ability Questions

Q:

The average height of A, B and C is 148 cm. If the average height of A and B is 136 cm and that of B and C is 125 cm, then what is the height (in cm) of B?

A) 56 B) 78
C) 112 D) 130
 
Answer & Explanation Answer: B) 78

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Q:

In a cyclic quadrilateral ABCD , the side AB is extended to a point X. If ∠XBC = 82° and ∠ADB = 47° , then the value of ∠BDC is

A) 40° B) 35°
C) 30° D) 25°
 
Answer & Explanation Answer: B) 35°

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Q:

If in ΔABC, DE ||BC, AB = 7.5cm, BD = 6cm and DE = 2cm, then the length of BC in cm is

A) 6 B) 8
C) 10 D) 10.5
 
Answer & Explanation Answer: C) 10

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Q:

Which of the following is not true for a rhombus?

A) All sides are congruent B) Opposite sides are parallel
C) Diagonals are equal D) Diagonals bisect each other at right angles
 
Answer & Explanation Answer: C) Diagonals are equal

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Q:

The median of the data -3, 4, 0, 4, -2, -5, 1, 7, 10, 5 is

A) 2 B) 2.5
C) 2.75 D) 3
 
Answer & Explanation Answer: B) 2.5

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Q:

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

A) 168 B) 198
C) 196 D) 191
 
Answer & Explanation Answer: D) 191

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Q:

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

A) 13 B) 17
C) 19 D) 21
 
Answer & Explanation Answer: D) 21

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Q:

If cos -225° = x, then the value of x is

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

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