Question

3. For an A.P., first term is 5 and last term is 35. Find S10
1)40
2) 80
3)100
4)200​

Answer 1

Answer:

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Step-by-step explanation:

1 term = 5

last term = 35

5 10 15 20 25 30 35

it has 6 term

35× 10÷ 5 = 70

we have to add 10 because we have to find it

therefore = 70+10 = 80 ans is 2) 80