Average salary of all associates in a team is Rs.,16000. average salary of 7 senior associates is Rs

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The average salary of all the associates in a team is $Rs.\,16000.$ The average salary of $7$ senior associates is $Rs.\,24000$ and the average salary of the rest is $Rs.\, 12000$. How many associates work in that team?

A

$21$

B

$22$

C

$23$

D

$24$

Solution

Let the Number of remaining workers be $x$.

$\frac{7 \times 24000+x+12000}{7+x}=16000$

$168000+12000 x=11200+16000 x$

$4000 x=56000$

$x=14$

Total No. of associates in the team $=14+7=21$

Standard 13

Quantitative Aptitude

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