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Mathematics

The marked price of an article is ₹ 400. If tax on it increases from 10% to 15%, the amount of it will increase by:

  1. ₹ 30

  2. ₹ 40

  3. ₹ 60

  4. none of these

Profit, Loss & Discount

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Answer

Marked price of the article = ₹ 400

and, Tax = 10% of ₹ 400

= 10100×400\dfrac{10}{100} \times ₹ 400

= 110×400\dfrac{1}{10} \times ₹ 400

= 40010₹ \dfrac{400}{10}

= 40₹ 40

Total amount to be paid = ₹ 400 + ₹ 40

= ₹ 440

When Marked price of the article = ₹ 400

and, Tax = 15% of ₹ 400

= 15100×400\dfrac{15}{100} \times ₹ 400

= 320×400\dfrac{3}{20} \times ₹ 400

= 120020₹ \dfrac{1200}{20}

= 60₹ 60

Total amount to be paid = ₹ 400 + ₹ 60

= ₹ 460

Difference in the total amount to be paid = ₹ 460 - ₹ 440

= ₹ 20

Hence, option 4 is the correct option.

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