Math, asked by jot3101, 1 year ago

example 16 of chapter 5 of maths class 10

Answers

Answered by kiku26

3

Answer:

7=4372

A3=600and A7=700

a+2d=600

a+6d=700

d=25anda=550

A10=a+9d=550+9×25=775

S7=7/2(2×550 +7-1×25)

7years is 4375

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