62.5 paisa
step-by-step explanation:
4000*70 = 280000
280000-(2000*90) = 100000
4000-2400 = 1600
100000/1600 = 62.5
( give brainliest)
the terms of a geometric sequence can be found by beginning with the first term and multiplying by the common ratio repeatedly. a recursive formula for a geometric sequence with common ratio r is given by an=ran−1 a n = r a n − 1 for n≥2 n ≥ 2 .