The number of terms of the A.P 3, 7, 11, 15--- to be take so that the sum is 406

If m, p, q are consecutive terms in an A.P, then P is

If the n^th term of an AP is 6n - 1. Then its (n + 1)^th term is __________

1 + 2 + 3 +........30 =

If the sum of n terms of an A.P is (Pn + qn²) where p and q are constants. Then the common difference is

The income of a person is 3,00,000 in the first year and he receives an increase of Rs. 10,000 to his income per year for the next 19 years. Then the total amount, he received in 20 years is

Which terms of the G.P 2, 2√2, 4,........ is 128?

The 10^th term of an A.P is 52 and 16^th terms is 82. Then the 32^nd term is

The n^th term of G.P 5, 25, 125 is

Water flows into a tank. The volume of water in the tank at each minute form an A.P. If the initial volume was 5 litres and becomes 6 times after 6 minutes. The speed of water increase is