TCS Company Numerical Ability Permutation and Combination

In school there are some bicycles and 4wheeler wagons. One Tuesday there are 234 wheels in the campus. How many bicycles are there?

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TCS Other Question

Lady have 2 select gloves&hat from a basket I the dark. she can distinguish hat&gloves.14red,20blue,18green r there. Find probability that any selected glove pair has same color. 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
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