Question

if the average of 5 number is 40. If one number is included then the new number become 42. Find the new number.​

Answer 1

Answer:

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#Here's ur answer...☆☆☆

Step-by-step explanation:

$average \: of \: 5 \: number = 40 \\ sum \: of \: all \: 5 \: no.s = 40 \times 5 = 200 \\ when \: one \: number \: is \: added \: then \: now \: there \: are \: 6 \\ new \: average = 42 \\ sum \: of \: all \: no.s = 42 \times 6 = 252 \\ new \: added \: no. = 252 - 200 = 52(ans)$

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