Question 63
Average of 12 numbersis 48. If each numberis increased by 11, then what will be the new average?
Solution
average =$$\frac{ sum of no.}{total no.}$$
48 = $$\frac{ sum of no.}{12}$$
Sum of no.= 576
If each no. Is increased by 11
So, $$11\times12$$= 132
New avg = $$\frac{ sum of no.}{total no.}$$
New avg = $$\frac{ 576+132}{12}$$
= 59
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