If the salary of an employee is reduced by 10 percent for his late attendance and then increased by 10 percent on a pardon , how much does he lose?

35% of Nabila's income is equal to 25% of Nuru's income. The ratio of their income is

The simple interest on a sum of money will be Tk. 600 after 10 years . If the principal is trebled after 5 yea...

A man spent of his money and then lost of the remainder . He was left with Tk. 3,600 . How much did he start w...

In a class of 78 students 14 are taking French , 22 are taking German . Of the students taking French or Germa...

If a + 2b = 6 and ab =4 , what is

What is the largest number that divides 84, 144 or 18 without any remainder?