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Standard X

Mathematics

Discount

A electronic ...

Question

A electronic store is offering some discount on items. Riti purchases a coffee machine with an original price of 62.00 $. S h e g e t s a n a d d i t i o n a l d i s c o u n t o f$ 10\%$ on her credit card. She ends up paying 41.85$. What was the amount of the original sale discount?

15 %

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22.5 %

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25 %

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32.5 %

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Solution

The correct option is B $25 %$
Let the sale discount be $x$ .
Hence, after sale discount and after $10 %$ discount, we get
$\Rightarrow (1 - \frac{x}{100}) (0.9) \times 62 = 41.85$
$\Rightarrow 1 - \frac{x}{100} = 0.75$
$\Rightarrow 0.25 = \frac{x}{100}$
$\Rightarrow x = 25$
Hence, the sale discount was $25 %$ .

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A electronic store is offering some discount on items. Riti purchases a coffee machine with an original price of 62.00.Shegetsanadditionaldiscountof10\%$ on her credit card. She ends up paying 41.85$. What was the amount of the original sale discount?

The correct option is B 25%Let the sale discount be x. Hence, after sale discount and after 10% discount, we get ⇒(1−x100)(0.9)×62=41.85⇒1−x100=0.75⇒0.25=x100 ⇒x=25Hence, the sale discount was 25%.

A electronic store is offering some discount on items. Riti purchases a coffee machine with an original price of 62.00 $. S h e g e t s a n a d d i t i o n a l d i s c o u n t o f$ 10\%$ on her credit card. She ends up paying 41.85$. What was the amount of the original sale discount?