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 of his mother . What is the present age of the mother?

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...

Mr. X had Tk. 1000 in his savings account. Every month in the first week he needs money, so he withdraws Tk. 5...

Two small circular parks of diameter 16 meter and 12 meter are to be replaced by a bigger circular park. What...

A student obtained 60, 75 and 85 marks respectively in 3 monthly examinations in physics and 95 marks in the f...