SAT College

5. The cost of my school exercise book was Rs. 10. Now she has to pay Rs
the same exercise book for Rs. 12. Let's calculate the percentage increses
price of the excercise book​

Answers

Answer 1

Given :-

Cost of school exercise book was Rs. 10

Now , she had to pay Rs. 12 for it .

To Find :-

The increase percentage of price of that book .

Solution :-

[tex]\underline{\bf{\dag} \:\bold{As\;we\;know\: that\: :}}[/tex]

[tex]\sf Increase \% = \dfrac{(Value\;Increased)}{Initial\; Value} \times 100 \%[/tex]

According to the question,

→ Increase of Price = ( Rs. 12 - Rs. 10 )

  ⇒ Rs. 2

→ Initial Value  = Rs. 10

Let's solve by putting the values in the formula !

[tex]\sf \leadsto \dfrac{2}{10} \times 100 \%[/tex]

⇝2×10%

⇝20%

∴ The percent of increase in price of that school exercise book is 20 %

Answer 2

[tex]\huge\bf\maltese{\underline{\red{Thanks}}}\maltese[/tex]

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Answers

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