If 7 maids with 7 mops cleaned 7 floors in 7 hours how long would it take 3 maids to mop 3 floors with 3 mops? `7/3hou r s` b. `3\ hou r s` c. `(49)/3hou r s` d. `7\ hou r s`

If 7 maids with 7 mops cleaned 7 floors in 7 hours how long would it take 3 maids to mop 3 floors with 3 mops? (7)/(3) hours b.3backslash hours c.(49)/(3) hours d.7 hours

Four gardeners with four grass mowers mow 400 sq. m of ground in 4 hours. How long would it take for eight gardeners with eight grass mowers to mow 800 sq. m of ground? 4 hou r s b. 6 hou r s c. 8 hou r s d. 12 hou r s

A can do a piece of work in 4 hours, B and C together in 3 hours, and A and C together in 2 hours. How long will B alone take to do it? 8 hou r s b. 10 hou r s c. 12 hou r s d. 24 hou r s

An outlet pipe can empty a cistern in 3 hours. In what time will the empty 2/3 part of the cistern? 3 hou r s b. 5 hou r s c. 2 hou r s d. 4 hou r s

A takes 2 hours more than B to walk d km, but /it A doubles his speed, then he can make it in 1 hour less than B. How much time does B require for walking d k m ? d/2 hou r s b. 3 hou r s c. 4 hou r s d. (2d)/3hou r s

5 persons can prepare an admission list in 8 days working 7 hours a day. If 2 persons join them so as to complete the work in 4 days, they need to work per day for 8 hou r s b. 9 hou r s c. 10 hou r s d. 12 hou r s

A bus left X for point Y. Two hours later a car left point X for Y and arrived at Y at the same time as the bus. If the car and the bus left simultaneously from the opposite ends X and Y towards each other, they would meet 1 1/3 hours after the start. How much time did it take the bus to travel form X to Y? 2 hou r s b. 4 hou r s c. 6 hou r s d. 8 hou r s

A car takes 15 minutes less to cover a distance of 75 km, if it increases its speed by10 km/hr from its usual speed. How much time would it take to cover a distance of 300 km using this speed? 5 hou r s b. 5 1/2hou r s c. 6 hou r s d. 8 6 1/2 hours

In a flight of 6000 km, an aircraft was slowed down due to bad weather. The average speed for the trip was reduced by 400 kmph and the time of flight increased by 30 minutes. The original planned duration of the fight was 2 1/2hou r s b. 3 1/3hou r s c. 4 1/3hou r s d. 5 1/3hou r s

A cistern has two pipes. One can till it with water in 8 hours and other can empty it in 5 hours. In how many hours will the cistern be emptied if both the pipes are opened together when 3/4 of the cistern is already full of water? 3 1/3hou r s b. 6 hou r s c. 10 hou r s d. 13 1/3hou r s