### Certification Questions

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

Explanation:

0 287
Q:

If k is the largest possible real number such that then the value of k is

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

Explanation:

0 346
Q:

If  then the $a3+b3+c3-3abc$ is

 A) 160 B) 180 C) 200 D) 220

Explanation:

0 335
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

Explanation:

2 768
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

Explanation:

0 249
Q:

If  is

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

Explanation:

0 286
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

Explanation:

0 272
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°