Ques:- One man want to build a wall .The length and breadth of the wall are 20 and 30 respectively. He needs 35 bricks for one square centimeter. How many bricks he need?
A. 21500
B. 30000
C. 21000
D. 20000
E. 25000
Ques:- The greatest number that will divided 187, 233 and 279 leaving the same remainder in each case is
A. 16
B. 26
C. 36
D. 46