Question

4. Out of 12 clerks in a office, one getting a salary of Rs.350 was sacked and a
new was appointed. The average salary was now reduced by Rs.5. Determine
the salary paid to the new clerk.
a. Rs.370
b. Rs.340
c. Rs310
d. Rs.290
e. Rs.285​

Answer 1

Answer:

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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