A man saves Tk 20,000 in 10 years. He saves Tk 200 more every year than the previous year, except the first year. How much does he save in the first year?

Let the functional relationship between y and x be given by y = . What will be the value of y if x=-27 ?

Find the value of x for the logarithmic function log, (4x-3) = 2.

Arko is twice as old as Adeeb. Eight years ago, Arko was 6 years younger than three times Adeeb's age at that...

A salesman's commission is 5% on all sales up to Tk. 10,000 and 4% of all sales exceeding this amount. He remi...

If a man reduces the selling price of a fan from Tk. 400 to Tk. 380, his loss increases by 2%. The cost price...

Tea worth Tk. 126 per kg and Tk. 135 per kg are mixed with a third variety in the ratio 1:1:2. If the mixture...