
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:- Mr. Rahul spends 30% of his monthly salary on domestic expenses. He spends respectively 20% and 10% of the remaining salary on education of children and conveyance. Of the remaining amounts now he spends respectively 20% and 30%on entertainment and maintenance of house. He saves Rs.5512.50. what is the monthly salary of Mr. Rahul?
A. Rs. 22,500
B. Rs. 20,000
C. Rs. 25,000
D. Rs. 24,500
E. None of these