Math, asked by shlokkhandelwal9079, 1 year ago

Find the sum of all multiples of 7 lie between 70 and 700

Answers

Answered by nehajaglan

all multiples of 7 are 70,77,84............700.

a=70
d=7.
an=700

then n= given In the image..
n=100..

there fore sum = in 2nd image..

its best answer and correct also.
please mark it brainliest

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shlokkhandelwal9079: I think your answer is wrong because AP should be 77, 84,91.......693 as between is given and then the correct answer would be 34265.

shlokkhandelwal9079: please solve it again

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