Question

sum of first 10 multiples of 7 is USING AP?

Answer 1

Answer:

I think answer is 385

Step-by-step explanation:

7+14+21+28+35+42+49+56+63+70

Answer 2

Answer:

386

Step-by-step explanation:

the first 10 multiples of 7are:-

7

14

21

28

35

42

49

57

63

70

and so

there sum is :-

7+14+21+28+35+42+49+57+63+70:-386

therefore, the sum of first 10 multiples of 7 is 386