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2 years ago of A is x times that of B. 3 years hence the age of A is 4/3 times of B.what is the present age of B in binary form? what is the value of x and y?

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TCS Other Question

In a family there are some boys and girls.all boys told they are having equal no of brothers and sisters and girls told that they are having twice the no of brothers than sisters. how many boys and girls present in family? 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