For the following questions answer them individually
A1 alone can do a work in 12 days and A2 alone can do the same work in 15 days. With help of A3, they finish the same work in 5 days. In how many days A3 alone can do the same work?
Mahesh, Suresh and Raju together can complete a work in 18 days. Mahesh and Suresh together can complete the same work in 72 days. Raju alone can finish the same work in how many days?
What will be the length of longest diagonal of the cuboid having length 13 cm width 11 cm and height 10 cm?
The number of hours , spent by a child on different activities in a working day, is given in the table. How much percent of time did be spent in sleep?
A sum of Rs.2000 will become Rs. 2400 in 12 months at some rate of simple interest. Find the rate of interest per annum.
A shopkeeper earns 20% profit on his goods. He lost 20% of his goods during a theft. What is his profit or loss percent?
What is the value of $$\frac{1}{2} of \frac{16}{5} + \frac{1}{8}Â of \frac{24}{9} \times \frac{18}{12} - \frac{5}{8}$$?