Question

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​

Answer 1

Answer:

Increased by 20%

Step-by-step explanation:

Answer 2

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:-

As we know that:-

Increase % = (Value increased) / inyential value × 100 %

ATQ

➛Increase of price = ( Rs. 12 - Rs. 10 )

➛Rs. 2

➛Initial value = Rs. 10

↬2/10 × 100 %

↬2 × 10 %

↬20%