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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?
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- 21
- 22
- 23
- 24
- 21
Correct Option: A
Total members in the group = p
Non–senior members = p – 7
According to the question,
16000p = 24000 × 7 + (p – 7) × 12000
⇒ 16p = 24 × 7 + (p – 7) × 12
⇒ 16p = 168 + 12p – 84
⇒ 16p – 12p = 168 – 84
⇒ 4p = 84
| ⇒ p = | |
| 4 |
∴ p = 21
