wiz-icon
MyQuestionIcon
MyQuestionIcon
1
You visited us 1 times! Enjoying our articles? Unlock Full Access!
Question

Which term of the sequence 4,9,14,19,.... is 124?

Open in App
Solution

Clearly, the given sequence is an A.P. with first term a(=4) and common difference d(=5)

Let 124 be the term of the given sequence. Then,

an=124
a+(n+1)d=124
4+(n1)×5=124
5n1=124
5n=125
n=25

Hence, 25th term of the given sequence is 124.

flag
Suggest Corrections
thumbs-up
0
Join BYJU'S Learning Program
similar_icon
Related Videos
thumbnail
lock
Geometric Progression
MATHEMATICS
Watch in App
Join BYJU'S Learning Program
CrossIcon