The average salary, per head, of all the workers of an institution is Rs. 60. The average salary of 12 officers is Rs. 400; the average salary, per head, of the rest is Rs. 56. The total number of workers in the institution is -
A. 1030
B. 1035
C. 1032
D. 1020
Answer: Option C
Solution(By Examveda Team)
Let the total number of worker = xAccording to the question,
⇒ 12 × 400 + (x - 12) × 56 = 60x
⇒ 4800 + 56x - 672 = 60x
⇒ 4128 = 4x
⇒ x = $$\frac{4128}{4}$$
= x = 1032
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