Question

5 is the average X of consecutive numbers.if the next two are added,the average will change​

Answer 1

Answer:

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let x is first no then x,x+1,x+2,x+3,x+4 are consecutive nos

avg of this 5 nos is (x+x+1+x+2+x+3+x+4)/5=n

x+2=n ;n=x+2

add next 2 nos new avg is (x+x+1+x+2+x+3+x+4+x+5+x+6)/7=m

x+3=m ;m=x+3

new avg-old avg=x+3-x-2

=1

increased by 1.

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