A bag contained 190 coins consisting of rs5,rs2 and rs1 coins.if the ratio of their values is 5:6:15.Find the number of rs5 coins?
(a)10 (b)12 (c)8 (d) 15
The difference between a two-digit number and the number obtained by interchanging the digits is 36. What is the difference between the sum and the difference of the digits of the number if the ratio between the digits of the number is 1 : 2 ?