Let x be the required number.Then, 13% of x = 65 ⇒ 13100×x=65⇒ x=65×10013=500 Hence, the required number is 500.
Find the altitude of a trapezium whose area is 65cm² and whose bases are 13cm and 26cm
Find three numbers in G.P. whose sum is 65 and whose product is 3375.