The difference of two numbers is 26 and one number is thrice the other, one of thenumber is:
1/x-1/y=1/z, then z is equal to:
If the circumference and the area of a circle are numerically equal then the numeri-cal value of the diameter is:
If p = 8, q = 3 and r = -2, then the value of 2pq−7qr/pq+4pr is:
A merchant sold a radio of cost Rs. 70 at the price of Rs. 98. The profit is:
The values of x and y if x– y = 9; 3x+ 2y = 2 are respectively,