Ajay working in a Cellular company as a salesman His monthly…

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Ajay working in a Cellular company as a salesman. His monthly salary is Rs. 200. But he gets bonus as per given rule. If he sells sim cards of Rs. X then his bonus will be $$\left[ {{{\left( {\frac{x}{{100}}} \right)}^2} + 10} \right]$$   . In the first quarter of the year his average sale was Rs. 3000 per month. In the next 5 five month his average sale was Rs. 5000 per month and for next four month his average sale was Rs. 8000 per month. What is the average earning per month for the whole year?

  1. A. Rs. 3350
  2. B. Rs. 3610
  3. C. Rs. 3750
  4. D. Rs. 3560

E. None of these

Here is complete explanation of Ajay working in a Cellular company as a salesman His monthly….

Solution(By ExamCraze Team)

$$eqalign{ & {text{Bonus}},{text{for}},{text{the}},{text{first}},{text{three}},{text{month}}, cr & = left[ {{{left( {frac{{3000}}{{100}}} right)}^2} + 10} right] times 3 cr & = Rs.,2710 cr & {text{Bonus}},{text{for}},{text{the}},{text{next}},{text{five}},{text{month}}, cr & = left[ {{{left( {frac{{5000}}{{100}}} right)}^2} + 10} right] times 5 cr & = Rs.,12550 cr & {text{Bonus}},{text{for}},{text{the}},{text{next}},{text{four}},{text{month}}, cr & = left[ {{{left( {frac{{8000}}{{100}}} right)}^2} + 10} right] times 4 cr & = Rs.,25640 cr & {text{Total}},{text{earning}},{text{as}},{text{bonus}},{text{for}},{text{whole}},{text{year}}, cr & = 2710 + 12550 + 25640 cr & = Rs.,40900 cr & {text{His}},{text{average}},{text{bonus}} cr & = frac{{40900}}{{12}} = Rs.,3410 cr & {text{Thus}},{text{his}},{text{average}},{text{earning}},{text{for}},{text{whole}},{text{year}}, cr & = 3410 + 200 cr & = Rs.,3610 cr} $$

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