Monthly salary of a person increases annually in form of an A.P. If his monthly
salary during the 8th year of his service is Rs. 1280 per month and that during 16th
year
of his service is Rs. 1600 per month. Find his monthly salary during the 30th year of his
service.
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Answer:
Monthly salary of a person in the form of an A.P in the 8th year = Rs1280
Monthly salary of the person in the form of the A.P in the 16th year = Rs1600
Difference between the monthly salary of the 8th year and the 16th year = Rs1600-Rs1280
Rs320
Increased monthly salary in every year = 320/8
= Rs40
Difference between the 16th year and the 30th year = 14
Monthly salary of the person in the 30th year = 40*14 + 1600
= 560+1600
= Rs2160
Step-by-step explanation: