If A and B together can complete a work in 18 days, A and C together in 12 day and B and C together in 9 days, then B alone can do the work in -

A tank can be filled with water by two pipes A and B together in 36 minutes, the tank is filled in 40 minutes....

In a 729 liters mixture of milk and water , the ratio of milk to water is 7:2 To get a new mixture containing...

In what ratio must a grocer mix two varieties of pulses costing Tk. 15 and TK. 20 per kg respectively so as to...

Three partners shared the profit in a business in the ratio 5 : 7 : 8 . They had partnered for 14 months, 8 mo...

A and B invest in a business in the ratio 3:2 . If 5% of the total profit goes to charity and A's share is Tk....

The sum of ages of 5 children born at the intervals of three years each is 50 years what is the age of the you...