The perimeter of a floor of a room is 18m.What is the area of four walls of the room if it; a height is 3m?

The Total cost of flooring a room at Rs.8.50 per square meter is Rs.510. If the length of the room is 8km it’s breadth is__________?

A. 7.5m

B. 8.5m

C. 10.5m

D. 12.5m

The length of a rectangular increased by 10% and it;s breadth is decreased by 10 %. Then the area of the new rectangle is_________?

A. Neither increased nor decreased

B. Increased by 1%

C. Decreased by 1%

D. Decreased by 10%

Total area of the 64 small squares of aches board is 400cm2. There is 3cm wide border around the chess board. What is the length of each side of the chess board?

A. 17cm

B. 20cm

C. 23cm

D. 26cm

A path of uniform width turns the inside of a rectangular field 38m long and 32m wide. IF the path occupies 600 m2 than the width of the path is_______?

A. 3m

B. 5m

C. 8.75m

D. 10m

How many meters of carpet 63cm will be required to be a floor of a room 14m by 9cm?

A. 200m

B. 210m

C. 220m

D. 185m