The average of the number 253, 245, 325, 120 and 115+2k is 212

The average of the number 253, 245, 325, 120 and 115+2k is 212. Find the average of the numbers 353, 354, 225, 220 and 110+3K
संख्याओं 253, 245, 325, 120 और (115 + 2K) का औसत 212 है।संख्याओं 353, 354, 225, 220 और (110 + 3K) का औसत ज्ञात कीजिए।

253 250 251 252

Detailed Solution & Logic

Correct Answer:

253

Average of first set = 212
$ \frac{253 + 245 + 325 + 120 + (115 + 2K)}{5} $= 212
$ \frac{1058 + 2K}{5} = 212 $
$ 1058 + 2K = 1060 $
2K = 2 K = 1
Now, average of second set = $ \frac{353 + 354 + 225 + 220 + (110 + 3K)}{5} $
$= \frac{353 + 354 + 225 + 220 + (110 + 3 \times 1)}{5} $
$ = \frac{1265}{5} = 253 $
Answer = 253

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