Question

The mean of the six numbers is 43. If one of the no. is excluded, the mean of
the remaining no. is 41. then the excluded no.is_____​

Answer 1

Answer:

Mean of 6 numbers = 42

Sum of 6 numbers = 42×6

= 252

If one no. Is excluded

Mean of 5 numbers = 45

Sum of 5 numbers = 45×5

= 225

Excluded no. = 252-225

= 27 Answer

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Step-by-step explanation:

Answer 2

Answer:

Excluded number is 53.

Step-by-step explanation:

Given that mean of six numbers is 43

Sum of six numbers = 43 × 6 =258

Given, one number is excluded, the mean of remaining numbers is 41.

Let excluded number = x

then $\frac{258-x}{5} =41$

258 - x = 5 × 41

258 - x = 205

x = 258 - 205

x = 53.

Therefore, Excluded number is 53.