If the average of 5, 9 ,M and n is 12 m what is the average of (m +7) and (n -3) ?

The length of a rectangular field F is 3 km greater than the side of a square field M , and the width of field...

If a, b, and c are three different positive integers less then 10 and greater than 0 , what is the greatest po...

In a certain school , 40% of the students are boys . If 20% of the boys and 10% of the girls went on a field t...

In a certain country, a person is born every 4 second and person dies every 10 seconds . Therefore , the birth...

If Mr. Azad can save Tk. 380 in five weeks , in how many weeks m at this same rate, can he save 2.6 times of t...

C is a circle , L is a line,and P is a point on line L . If C, L, and P are in the same plane and P is inside...