The average age of a group of 10 students was 20. The average age increased by 2 years when two new students joined the group. What is the average age of the group. What is the average age of the two new students who joined the group?

In a Class of 120 students numbered 1 to 120, all even numbered students opt for Physics , those whose numbers...

g (x) = For the function g defined above or is a constant and g(4) =8 . What is the value of g(-4) ?

If y= kx, where k is a constant , and y= 24 when x=6, what is the value of y when x =5 ?

A man spent 1/2 of his money and then lost 1/4 of the remainder. He was left with TK. 3,600. How much did he s...

If the difference between the circumference and diameter of a circle is 60 cm, then the radious of the circle...

A triangular plot with sides of 25 feet, 40 feet and 55 feet is to be surrounded by a fence built on pillars s...