Latest CTS Aptitude Question SOLUTION: Person X joins a job at 20 yrs. First 3 years salary = 10,000 p.a. Afterwards every year increment of 2,000 per year for 10 years. Then salary becomes constant till retirement. At

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(#M40007393) CTS Logical Reasoning question Numerical problem Keep an EYE

Person X joins a job at 20 yrs. First 3 years salary = 10,000 p.a. Afterwards every year increment of 2,000 per year for 10 years. Then salary becomes constant till retirement. At retirement average salary is 25,000. (throughout career). At what age he retires?

Solution

Let age of retirement = x
so according to the given condition 25000*(x-20)
=10000*3+12000+14000+16000+18000+20000+22000+24000+26000+28000+30000+30000(x-33)
= 30000+210000+30000x-990000
= 30000x-750000
or 25000x-500000=30000x-750000
or 5000x = 250000
or x = 50

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Asked In CTS (12 years ago)

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