Find the number which when divided by 45 gives 16 as quotient and 9 as remainder.

Find the largest number of 5-digits which is exactly divisible by 57.

On dividing 1653 by a certain number, we get 45 as quotient and 33 as remainder. Find the divisor.

Use distributive law and evaluate :

(i) 576 x 285 + 576 x 115

(ii) 385 x 178 - 385 x 78

(iii) 365 x 645 + 135 x 645

(iv) 407 x 168 - 307 x 168