Which Indian cricketer is known as "Brown Bradman"?

Which of the following Pair are not parent and child who have both won the Nobel prize?

Which singer was originally named Eileen Angelina Yeoward?

Which is the only talkie film directed by Dada Saheb Phalke?

Which company started by Europeans in Calcutta in 1818 was the first modern life insurance company established in India?

The current chief ministers of which of these pairs of states share the same surname?

Which freedom fighter of India is known as father of Indian Petroleum Industry?

Which architect was the principal designer of Connaught Place in New Delhi?

is there any restriction of UL in LAA cell?

what is the distance range of edm in reflector mode

I think answer is 18 =2*6*1.5 = 18

The answer is 18. The boys are increased by 6 times and the time twice .Therefore,the burger is increased 12 times.The answer is 12*1.5=18

In a group of 6 boys and 4 girls, four children are to be selected. In how many different ways can they be selected such that at least one boy should be there?

There are 3 boys and 4 girls. We have to arrange any 1 boy at the center and any 2 girls at corners. In how many methods these persons can be arranged.

If A men working A hours a day can do A units of a work in A days, then how many units of work can be completed by B men working B hours per day.