Question
How many terms are there in the following AP?
7, 10, 13, …, 43
7, 10, 13, …, 43
Answer: Option D
:
D
Here
First term, a = 7
Common difference, d = 10 - 7 = 3
Using the formula for nth term
an=a+(n−1)d
43=7+(n−1)3
36=(n−1)3
12=n−1
n=13
There are total 13 terms in the given AP.
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:
D
Here
First term, a = 7
Common difference, d = 10 - 7 = 3
Using the formula for nth term
an=a+(n−1)d
43=7+(n−1)3
36=(n−1)3
12=n−1
n=13
There are total 13 terms in the given AP.
Was this answer helpful ?
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