Age of father is 4 times the age of his son. After 6 years ages of father and son will be in the ratio 5:2. What is the present age of the son?
The sum of the areas of two squares is 61 square units and their difference is 11 aquare units. What is the length of a side of the smaller square?
If x/3=y/5=z/7 then z2-x2+y2/2y2 = ...........
Which is the greatest fraction among the following ?
If 2/3+4/5+r, what is the value of r ?
Which is the next term in the sequence 10, 30, 70, 150, 310, .....
