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The price of an article by 30% and then two successive discounts of 10% each are allowed. Ultimately, the price of the article is -

1Decreased by 5.3%
2Increased by 3%
3Increased by 5.3%
4Decreased by 10%

Answer:- 4

Explanation:-

Solution:

Marked price = Rs. 130
Final price = 90% of 90%

$\eqalign{ & {\text{ = Rs}}{\text{.}}\left( {\frac{{90}}{{100}} \times \frac{{90}}{{100}} \times 130} \right) \cr & = {\text{Rs}}{\text{.105}}{\text{.30}}{\text{.}} \cr}$ ∴ Increase in price = (105.30 - 100)% = 5.3 years.

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∴ Increase in price = (105.30 - 100)% = 5.3 years. ", "dateCreated": "7/24/2019 10:09:12 AM", "author": { "@type": "Person", "name": "Nitin Sir" } }, "suggestedAnswer": { "@type": "Answer", "text": "

Solution:

Marked price = Rs. 130
Final price = 90% of 90%

$\eqalign{ & {\text{ = Rs}}{\text{.}}\left( {\frac{{90}}{{100}} \times \frac{{90}}{{100}} \times 130} \right) \cr & = {\text{Rs}}{\text{.105}}{\text{.30}}{\text{.}} \cr}$ ∴ Increase in price = (105.30 - 100)% = 5.3 years. ", "dateCreated": "7/24/2019 10:09:12 AM" } }

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