1)what is square root of 100?
2)If the length and breadth of the rectangle are 20 and 15 respectively,then what is its area?
3)If 1/x=0.8,then what is the value of x?
4)what is the value of ncn?
5)If we buy 12000 for 3 years at rate of interest 5% for every year as simple interest,then what is its amount?