A man spends one-fifth of his salary for household expenditures and one fourth of the remaining for his children. He donates one-third of what is left to charity and saves the rest. If he saves Rs.20000, find his salary.
The speed of a boat in still water is 5 km/hr. The speed of the stream is 2 km/hr. The distance travelled by a boat upstream in 3.5 hrs is
More India Jobs