TCS Company Numerical Ability Permutation and Combination

There are 100 men and 100 women on the dance floor. They want to dance with each other. Then which of
the following statements is always true:
a) There are 2 men who danced with equal no. of women’s
b) There are 2 women who danced with equal no. of men

a) both a and b b)only a c)only b d)none

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TCS Other Question

Sangakara and Ponting selects batting by using a dice, but dice is biased. So to resolve, Ponting takes out a
coin. What is the probability that coin shows correct option?
a)1/2 b)1/6 c)1/12 d)6/10
-3, 6, 1, -2, 4, -1, 21, 2, -3, ?