TCS Company Numerical Ability Probability

we are having 54 men doing hand shake in set what will be minimum required hand shakes
for minimum 1 hand shake?

Read Solution (Total 7)

TCS Other Question

A lady has fine gloves and hats in her closet .18 blue,32 red and 25 yellow.The lights are out and it is totally dark.Inspite of the darkness ,she can make out the diference between a hat and a glove.she takes out an item out of the closet only if she is sure that if it is a glove.how many gloves she tae out to make sure she has a pair of each color?
Average age of a class of 40 girls is reduced by 1 year when 10 girls whose average age is 20 years, are discharged and 10 new girls are admitted find the average age of new comers?