Q. The average salary of all the employees in an office is 16000. The average salary of 7 senior employees is Rs 24000 and the average salary of the rest of the employee’s Rs 12000. How many employees work in that office?

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Solution

The correct option is A 21
Explanation:

By alligation method,

$16000 - 12000 = 4000$

$16000 - 24000 = 8000$

Ratio of rest of the employees to senior $= 8000 : 4000 = 2 : 1$

Given 1 part $= 7$

3 parts $= 7 \times 3 = 21$

Hence, total number of employees $= 21.$

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Q. The average salary of all the employees in an office is 16000. The average salary of 7 senior employees is Rs 24000 and the average salary of the rest of the employee’s Rs 12000. How many employees work in that office?

The correct option is A 21Explanation: By alligation method, 16000−12000=4000 16000−24000=8000 Ratio of rest of the employees to senior =8000:4000=2:1 Given 1 part =7 3 parts =7×3=21 Hence, total number of employees =21.

The correct option is A 21
Explanation:

By alligation method,

$16000 - 12000 = 4000$

$16000 - 24000 = 8000$

Ratio of rest of the employees to senior $= 8000 : 4000 = 2 : 1$

Given 1 part $= 7$

3 parts $= 7 \times 3 = 21$

Hence, total number of employees $= 21.$