Test Preparation on RRB Group D Mock Test -6

The ratio in which the rice at ` 7.20 per kg bemixed with rice at ` 5.70 per kg to produce amixture worth ` 6.30 per kg, is

The difference between compound interest and simple interest on ` 8000 at 5% per annum for 3 yr is

Find the cost of carpenting a room 12mlong and 8mbroad with a carpet 75 cmwide at ` 20 perm 2.

(598 479)²- (598 479)²/ 598 479 is equal to

By selling a chair for ` 572 , aman gains 30%. The cost price of the chair is

(35614 - 26889)÷25 is equal to