A basket contains three type of fruits weighing 11961196 kg in all. If 639639 kg of these are apples, 172172 kg are oranges and the rest are pears. What is the weight of the pears in the basket?
William can complete a task in 4 minutes, while Sandra can complete the same task in 12 minutes. How long will it take to complete the task, if both William and Sandra work together?
The sum of the digits of a 22-digit number is 55. The number obtained by interchanging its digits is 99 more than the original number. Find the original number.
of the principal. If the numbers representing the rate of interest (in percent) and time (in years) be equal, then what is the time, for which the principal is lent out?
Find the compound interest of $30000$30000 after 22 years, compounded annually. The rate of interest is 7%7% per annum during the first year and 9%9% per annum during the second year.
Pump A can fill a tank in 36 minutes, while pump B can fill the same tank in 45 minutes. Both pumps are turned on together to fill the empty tank, but when tank became half full, pump B stops working and rest of the tank is filled by pump A only. How long it took to fill the tank?