How much would I have to pay for a book which cost Rs. 72 to produce, if the printing company sold it to a book seller at 20% profit and the bookseller sold it to me at a profit of 25%?

A sum of 24 is divided into two parts so that seven times the first part added to five times the second part m...

A sum of Rs. 1500.00 was put in two companies, one paid 6% simple interest and the other 5%. The whole annual...

How many signals can be given by 5 flags of different colours using 3 flags at a time.

Seats for Mathematics, Physics and Biology in a university are in the ratio 5: 7: 8, There is a proposal to in...

On selling 17 balls for Tk 720 , there iss a loss equal to the cost price of 5 balls. The cost price of a ball...

The captain of a cricket team of 11 members is 26 years old and the wicket keeper is 3 years older . If the ag...