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The average salary of 6 persons is Rs300. The average of first 4 persons is Rs250 and average of last3 is Rs350. What is the salary of 3rd person? |
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Answer» Answer: Step-by-step explanation: Total NUMBER of WORKERS is considered as X Average of 12 officers SALARY = 12 x 400 = 4800 4800 + 56x = ( 12 + x ) x 60 4800 + 56x = 720 + 60x 4x = 4080 X = 1020 ∴ Total number of workers = 12 + x = 12 + 1020 = 1032 |
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