An amount of money is invested in a savings account for two years. It increased by Tk. 52.50 in two years. after annual compounding at the rate of 10% per year. What is the amount invested initially?

The angles of a triangle are in the proportion of 1:2:3 and the length of the smallest side is 1 c. what is th...

A square room has a square carpet symmetrically placed in it. This leaves an uncovered area of 9 . The area of...

A person's present age is two - fifth of the age of his mother. After 8 years. he will be one half of the age...

If x/y =1/3, then value of is-

If a:b=4:7 and b:c=5:6 than a:b:c=?

On a 2 km road, a total of 201 tress are planed on the side of the road at equal distance. How many such trees...