How many terms are there in 20, 25, 30, _______, 140?
- 25
- 24
- 23
- 22
Explanation
The sequence is an Arithmetic Progression (AP).
First term (a) = 20
Common difference (d) = 5
Last term (l) = 140
Formula
n = l -a / d + 1
n = 140 -20/5 +1
n = 24 +1
n = 25
Last updated 08 Nov 2026 by NA
Related MCQs
- 26
- 64
- 50
- 37
اس سوال کو وضاحت کے ساتھ پڑھیں
- 80
- 70
- 76
- None of these
اس سوال کو وضاحت کے ساتھ پڑھیں
