Reza's average in four tests is 80% . what marks does he need in his fifth test to raise his average to 84% .

Which fraction is the largest?

A 5% monthly salary increase resulted in a salary increase of TK. 6,000 per year for an employee. What was his...

If the sum of the 3 consecutive integers is 240 , then the sum of the two larger integers is:

Rice is now being sold at Taka 20 a kg. During last month its rate was Taka 16 per kg . By how much percent sh...

A person walking 5/6 of his usual rate is 40 minutes late. What is his usual time?

One dog tells the other that there are two dogs in front of me. The other one also shouts that he too had two...