Mathematics
A can do a piece of work in 5 days and B can do the same work in (x + 5) days. The total number of days taken by A and B, working together, is 3(1/3) . The value of x is : 1. 5 2. 10 3. 15 4. 2(1/2)
Related Questions
A and B together can do a piece of work in 6 days. Whereas A alone can do the same work in 9 days. Then B alone will do same work in:
15 days
6 days
18 days
54 days
An article is bought for ₹ x and is sold at the profit of x %. If its selling price is ₹ 56, the cost price is :
₹ 60
₹ 50
₹ 40
₹ 28
An empty tank is filled by a pipe in 2 hours, whereas an another pipe empties the full tank in 3 hours. If the tank is empty and both the pipes are opened together the tank will be filled in:
5 hours
1 hour
6 hours
none of these