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Q:

The simplification value of $\frac{\sqrt[3]{7}}{\sqrt{5} + \sqrt{2}} - \frac{\sqrt[5]{5}}{\sqrt{2} + \sqrt{7}} + \frac{\sqrt[2]{2}}{\sqrt{7} + \sqrt{5}}$ is

A) 0	B) 1
C) 5	D) 6

Answer & Explanation Answer: A) 0

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Filed Under: Quantitative Aptitude - Arithmetic Ability

Q:

In a class, average height of all students is 'a' cms. Among them, average height of 10 students is 'b' cms and the average height of the remaining students is 'c' cms. Find the number of students in the class. (Here a>c and b>c )

A) (a(b-c))/(a-c)	B) ((b-c)/(a-c))
C) ((b-c)/10(a-c))	D) (10(b-c))/(a_c))

Answer & Explanation Answer: D) (10(b-c))/(a_c))

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Filed Under: Quantitative Aptitude - Arithmetic Ability

Q:

A man has some hens and some cows. If the total number of heads of hens and cows together is 50 and the nunber of feet of hens and cows together is 142, then the number of cows is

A) 21	B) 25
C) 27	D) 29

Answer & Explanation Answer: A) 21

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Filed Under: Quantitative Aptitude - Arithmetic Ability

Q:

If sinθ+ cosecθ=2, then the value of $\sin^{- 7} \emptyset + \cos e c^{7} \emptyset i s$

A) 27	B) 2-7
C) 2	D) 2-1

Answer & Explanation Answer: C) 2

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Filed Under: Quantitative Aptitude - Arithmetic Ability

Q:

Length of three line segments isgiven. Is construction of a triangle possible with the segments in the given cases?

A) 8 cm, 7 cm, 18 cm	B) 8 cm, 15 cm, 17 cm
C) 10 cm, 6 cm, 4 cm	D) 8 cm, 10 cm, 20 cm

Answer & Explanation Answer: B) 8 cm, 15 cm, 17 cm

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Filed Under: Quantitative Aptitude - Arithmetic Ability

Q:

From an external point two tangents to a circle are drawn. The chord passing through the points of contact subtends an angle72° at the centre. The angle between the tangents is?

A) 36°	B) 72°
C) 108°	D) 144°

Answer & Explanation Answer: C) 108°

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Filed Under: Quantitative Aptitude - Arithmetic Ability

Q:

If $x + 3 y = - 3 x + y, t h e n \frac{x^{2}}{2 y^{2}} i s e q u a l t o$

A) 1/8	B) 1/2
C) 1/4	D) 4

Answer & Explanation Answer: A) 1/8

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Filed Under: Quantitative Aptitude - Arithmetic Ability

Q:

If $a^{2} + 1 = a, t h e n t h e v a l u e o f a^{3} i s$

A) 0	B) 1
C) -1	D) 2

Answer & Explanation Answer: C) -1

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Filed Under: Quantitative Aptitude - Arithmetic Ability

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