1. The circumferences of the fore and hind-wheels of a carriage are 16 m and 22m respectively. A white mark is put on the point of contact of each wheel with the ground at any given moment. How far will the carriage have travelled so that its white...

1. What will be the remainder when 〖17〗^200is divisible by 18? a) 2 b) 3 c) 1 d) 4 e) None of these 2. If 18 carat gold is two third pure and 15 carat gold is two fifth pure, what is the ratio of purity in 18...