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If the price of petrol increases by 19% ...

If the price of petrol increases by 19% and Sunitha intends to spend only an additional 12% on petrol, by what percent should she reduce the quantity of petrol purchased (nearest to an integer) ?
यदि पेट्रोल की कीमत 19% बढ़ गयी है और सुनीता पेट्रोल पर केवल 12% ही अतिरिक्त खर्च करना चाहती है,तो उसे पेट्रोल की खरीदी गयी मात्रा को कितने प्रतिशत से कम करना चाहिए ? (निकटतम पूर्णाक तक )

A

7

B

6

C

5

D

8

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