A gas tank is 1/5 th full and requires 32 gallons to make it 3/7 full. What is the capacity of the tank?

If the salary of an emplyees is reduced by 10 percent for has late attendance and them increased by 10 percent...

35% of Nabil's is equal to 25% of Saila's income. The ratio their income is

The simple interest on a of money will be tk. 600 after 10 years. if the principle is treble after 5 years, wh...

A man spent 1/2 of his money and then lost 1/4 of the reminder. He was left with Tk. 3,600. How much did he st...

In a class of 78 students 41 are taking 22 are taking German of the students taking french or German, 9 are ta...

Find the value of n if