Which term of the arithmetic progressions 5, 10,15,.....will be 130 more than its 31st term?
40
56
38
44
a = 5, d = 5 a31=155 an=130+a31, by using this, we get n = 57
Which term of A. P. 5, 15, 25, ............ will be 130 more than its 31st term ?