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Question

If the $$n^{th}$$ term of an arithmetic progression is $$15n + 10$$ then its fifth term is _______.


A
25
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B
75
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C
55
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D
85
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Solution

The correct option is D $$85$$
$$n^{th}$$ term of Arithmetic Progressive
$$T_{n} = 15n + 10$$
To find the fifth term of A.P.,
take $$n = 5$$
$$T_{5} = 15(5) + 10$$
$$= 75 + 10$$
$$= 85$$
$$5^{th}$$ term of A.P. is $$85$$.

Mathematics

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