On a chess board, in how many different ways can 6 consecutive squares be chosen on the diagonals along a straight path ?

A person allows a 10% discount for cash payment from the marked price of a…

A round archery target of diameter 1 m is marked with four scoring regions from…

In a race, a competitor has to collect 6 apples which are kept in a…

The average monthly income of a person in a certain family of 5 is Rs.…

W can do 25% of a work in 30 days, X can do 1/4 of…