Math, asked by unknown9238, 1 year ago

the average of three numbers is 42.if we add one more number then the average becomes 40

Answers

Answered by NishithSavla
4

Average of 3 no.s=42

Total=42×3=126

Average of 4 no.s is 40

Total=40×4=160

Added no.=new total- old total

=160-126=34

The one no. added is 34

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