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Percentagez — Maths STD 7 — Question

Maharashtra BoardEnglish MediumSTD 7MathsPercentagez1 Mark
Question
Mark $(\checkmark)$ against the correct answer in the following:
After deducting a commission of 10% a TV costs Rs. 18000. What is its gross value?
  1. Rs. 18800
  2. Rs. 20000
  3. Rs. 19800
  4. None of these.
✓

Answer

  1. Rs. 20000
Solution:

Let gross value of T.V = x Commission = 10%

After deducting commission, value of the TV,

$=\frac{\text{x}\times(100-10)}{100}$

$\therefore\frac{\text{x}\times90}{100}=18000$

$\text{x}=\frac{18000\times100}{90}$

$\text{x}=20000$

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