A man starts his job with a certain monthly salary and earns a fixed increment every year. If his salary was Rs. 1500 after 4 years of service andRs. 1800 after 10 years of service, what was his starting salary and what is the annual increment?

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Solution

Let his salary be X , increment be Y
Salary + Increment = Salary for next year.

After 4 years

x + 4y = 1500
x + 10y = 1800

-6y = -300
y = Rs 50

x + 4y = 1500
x + 200 = 1500
x = 1300

His starting salary was Rs 1300 and increment was Rs 50

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A man starts his job with a certain monthly salary and earns a fixed increment every year. If his salary was Rs. 1500 after 4 years of service andRs. 1800 after 10 years of service, what was his starting salary and what is the annual increment?

Let his salary be X , increment be Y Salary + Increment = Salary for next year. After 4 years x + 4y = 1500 x + 10y = 1800 -6y = -300 y = Rs 50 x + 4y = 1500 x + 200 = 1500 x = 1300 His starting salary was Rs 1300 and increment was Rs 50

Let his salary be X , increment be Y
Salary + Increment = Salary for next year.

After 4 years

x + 4y = 1500
x + 10y = 1800

-6y = -300
y = Rs 50

x + 4y = 1500
x + 200 = 1500
x = 1300

His starting salary was Rs 1300 and increment was Rs 50