Average of 11 results is 50 . If average of first six results is 49 and that of last six is 52. sixt

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The average of $11$ results is $50 .$ If the average of the first six results is $49$ and that of the last six is $52.$ The sixth result is

A

$48$

B

$50$

C

$52$

D

$56$

Solution

Sixth result $=6 \times 49+6 \times 52-11 \times 50=294+312-550=56$

Standard 13

Quantitative Aptitude

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