Q) A can do a certain work in the same time in which B and C together can do it. If A and B together could do it in 10 days and C alone in 50 days, then B alone could do it in: a) 15 days b) 20 […]
A can do a certain work in the same time in which B and C together can do it. Read More »
Q) A is thrice as good as workman as B and therefore is able to finish a job in 60 days less than B. Working together, they can do it in: a) 20 days b) 22 1/2 days c) 25 days
Q) A and B can together finish a work 30 days. They worked together for 20 days and then B left. After another 20 days, A finished the remaining work. In how many days A alone can finish the work? a) 40 days b) 50 days
Q) To complete a piece of work, Samir takes 6 days and Tanvir takes 8 days alone respectively. Samir and Tanvir took Rs. 2,400 to do this work. When Amir joined them, the work was done in 3 days. What amount was paid to Amir? a) Rs. 300 b) Rs. 400
Q) A can do a piece of work in 4 hours; B and C together can do it in 3 hours, while A and C together can do it in 2 hours. How long will B alone take to do it? a) 8 hours b) 10 hours c)
Q) A alone can do a piece of work in 6 days and B alone in 8 days. A and B undertook to do it for Rs. 3200. With the help of C, they completed the work in 3 days. How much is to be paid to C? a) Rs. 375
Q) A can lay railway track between two given stations in 16 days and B can do the same job in 12 days. With help of C, they did the job in 4 days only. Then, C alone can do the job in: a) 9 1/5 days b) 9 2/5
Q) A can do a work in 15 days and B in 20 days. If they work on it together for 4 days, then the fraction of the work that is left is: a) 1/4 b) 1/10 c) 7/15
Q) A vertical tower stands on a horizontal plane and is surmounted by a flagstaff of height 7m. From a point on the plane, the angle of elevation of the bottom of the flagstaff is 30° and that of the top of the flagstaff is 45°. Find the height of the tower. Ans: Let’s
A vertical tower stands on a horizontal plane and is surmounted by a flagstaff of Read More »
Q) Two poles of equal heights are standing opposite each other on either side of the road, which is 80 m wide. From a point between them on the road, the angles of elevation of the top of the poles are 60° and 30°, respectively. Find the height of the poles and the distances of
Two poles of equal heights are standing opposite each other on either side of the road, Read More »