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The average salary per head of all worke...

The average salary per head of all workers of an institution isर 60. The average salary per head of 12 officers is र 400. The average salary per head of the rest is र 56. Then, the total number of workers in the institution is

A

1032

B

1030

C

1035

D

1020

Text Solution

Verified by Experts

The correct Answer is:
A
`12xx400+x xx 56=(x+12) xx60`
`rArr 4800 + 56x = 60x +720`
`rArr 4x =4080`
`rArr x =(4080)/(4)=1020`
अतः कुल कामगारों की संख्या `=1020+12=1032`
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