Q3 of 105 Page 152

Which of the following are GP? If they are in GP. Write three more terms?
, ,……

Here first term is (a) =

r₁ =

r₂ =

Common ratios are equal so the given series is in GP.

Write three terms of the GP when the first term ‘a’ and the common ratio ‘r’ are given?

a = , r = 2

Which of the following are GP? If they are in GP. Write three more terms?

4, 8, 16,….

Which of the following are GP? If they are in GP. Write three more terms?

5, 55, 555, …………

Which of the following are GP? If they are in GP. Write three more terms?

-2, -6, -18 ……..

Questions · 105

6. Progressions

1 1 1 1 2 2 2 2 2 3 3 3 3 4 4 4 4 4 4 4 4 4 4 4 4 4 1 2 2 3 3 3 3 3 4 5 5 6 7 8 9 10 11 12 13 14 15 16 17 1 1 1 1 2 2 2 3 3 3 3 3 3 3 4 5 6 7 7 8 9 10 11 12 13 14 1 1 1 2 2 2 2 3 3 3 3 3 3 3 3 3 4 1 1 1 1 2 3 3 4 4 4 5 6 7

Which of the following are GP? If they are in GP. Write three more terms?, ,……