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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 ₹15,000 after $4$ years of service and ₹18,000 after $10$ years of service, what was his starting salary and what was the annual increment?
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Let his starting salary is $a$ and annual increment be $d$.
A.T.Q
$a+3d=15000$ ---------(i)
$a+9d=18000$ ----------(ii)
On solving equations (i) & (ii)
$a = 13500$ & $d = 500$
Starting salary = ₹13,500
Annual increment = ₹500
A.T.Q
$a+3d=15000$ ---------(i)
$a+9d=18000$ ----------(ii)
On solving equations (i) & (ii)
$a = 13500$ & $d = 500$
Starting salary = ₹13,500
Annual increment = ₹500