Question

swer.D
The average of 11 numbers is 21. If 3 is added to each given number, what will be the
new average?/11 संख्याओं का औसत 21 है। यदि दी गई संख्याओं में 3 जोड दिया जाय तो नया औसत
क्या होगा?
A24
B. 15
C.30
Psage 13
formativeinstitute.com​

Answer 1

Answer:

(A) 24

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Answer 2

X=sum of 11 original numbers
Average=sigma x/n
X+3 into 11/11=21
X+3=21
X=21
THE NEW MEAN WILL BE 24
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