Math, asked by Lavleen6738, 11 months ago

A certain number of two digits is seven times the sum ofvthe digits.If 36 is subtracted from the number, the digits get interchanged ,find the number.

Answers

Answered by ashish9810618058
0

the sum of deviation of n observations from 25 is 25 and sum of deviation of the same n observation from 35 is -25 find the mean of the observations




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