Q:

ΔABC is similar to ΔDEF. If the ratio of similar sides is K:1, the ratio of their areas is

A) k2:1 B) 2k:1
C) k22:1 D) 2k2:1
 
Answer & Explanation Answer: A) k2:1

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Q:

If k is the largest possible real number such that p4+q4=(p2+kpq+q2)(p2-kpq+q2), then the value of k is

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

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Q:

If a+b+c=15 and 1a+1b+1c=71abc, then the a3+b3+c3-3abc is

A) 160 B) 180
C) 200 D) 220
 
Answer & Explanation Answer: B) 180

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Q:

Eight members of a club donate Rs. 100 each towards a Relief Fund and the President of the club donates Rs. 50 more than the average donation of all (including President) of them. Then the contribution of the president is

A) 106.25 B) 156.25
C) 56.25 D) 206.25
 
Answer & Explanation Answer: A) 106.25

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Q:

When n is divided by 4, the remainder is 3. The remainder when 2n is divided by 4 is:

A) 1 B) 2
C) 3 D) 6
 
Answer & Explanation Answer: B) 2

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Q:

If y=2secθ and x=3tanθ then x29-y24 is

A) 0 B) -1
C) 2 D) 1
 
Answer & Explanation Answer: B) -1

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Q:

Two circles touch each other internally. The radius of the larger circle is 6 cm and the distance between the centre is 2 cm, then the radius (in cms) of the other circle is

A) 8 B) 2
C) 4 D) 3
 
Answer & Explanation Answer: C) 4

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Q:

The vertical angle A of an isosceles triangle ΔABC is three times the angle B of it. The measure of the angle A is

A) 90° B) 108°
C) 100° D) 36°
 
Answer & Explanation Answer: B) 108°

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