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...

An industrial loom weaves 0.128 metres of cloth every second. Approximately , how many seconds will it take fo...

Kibria went to the swtationers and bought things worth Tk 25 out of which 30 paisa was sales tax on taxable it...

A towel, when bleached, was found to have lost 20% of its length and 10% of its breath . what is the percentag...