Mathematics
NULL
Medium
Question
Staff average salary is Rs. 90. Officers average Rs. 600 and clerks Rs. 84. If there are 2 officers, how many clerks are there?
A
1540
B
960
C
840
D
1020
✓ Official correct answer
Community credibility
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A
1540
No member explanations yet for this option.
B
960
No member explanations yet for this option.
C
840
No member explanations yet for this option.
D
1020
No member explanations yet for this option.
Explanation
90(2 + c) = 1200 + 84c ⇒ c = 170. Marked option 1020 is not the clerk count.