Question

The average of 50 numbers is 30. If two
numbers, 35 and 40 are discarded, then the
average of the remaining numbers is nearly:
(a) 28.32 (b) 28.78 (c) 29.27 (d) 29.68​

Answer 1

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total of the numbers=50×30=1500

now..36 and 40 are discarded..

.so now the total of 48bnumbers is

=1500-(30+40)=1430

now the average is =1430/48=29.79

$\underline{\large\mathcal\red{hope\: this \: helps \:you......}}$