Find the sum of the first 100 natural numbers
Study the numbers and complete the series 6, 24, 60, 120, 210, 336, 504, ?
A father is 25 years older then his son. Ten years ago father’s age was 6 times of his son’s age. What is the present age of son?
If x/2 = (x-1)2. Find x.
If a, b, c, d, f, g, h, i, j, correspond to 0,1,2,3,4,5,6,7,8 and 9 respectively. Solve the following
(df + fg)/jf - da = …………
What is the simple interest on Rs.8000 at 8% per annum?