The coach of cricket team buy 3 bats and 6 bolls for ₹ 3900. Later she buys another bats and 3 more balls of same kind for ₹. 1300 represent this situation algebracally and geometrically??
The sum of four consecutive numbers in AP is 32 and the ratio of the product of the first and last terms to the product of two middle terms is 7:15.find the number