Question

The price of book increased by 12% . If it's increased price is Rs. 145.60,find the original price

Answer 1

Question ⤵

$\rightarrow$ The price of book increased by 12% . If it's increased price is Rs. 145.60,find the original price ?

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To Find ⤵

$\rightarrow$The Original Price ?

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Solution ⤵

Le the original price of the book = 'x'.

$\rightarrow$Rate of increase=12%;

Increase in price = 12% of x = $\frac{12}{100}$ × x = 0.12x

So,

$\rightarrow$ Incresed price = x + 0.12x =

=> 1.12x

But increased prised = 145.60,

So,

1.12x=145.60;

x = $\frac{145.60}{1.12}$ = 130

x=300

$\because$ Original price of the book is 300 Rs

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Answer 2

Question ⤵

→ The price of book increased by 12% . If it's increased price is Rs. 145.60,find the original price ?

__________________________________

To Find ⤵

→ The Original Price ?

__________________________________

Solution ⤵

Le the original price of the book = 'x'.

→ Rate of increase=12%;

Increase in price = 12% of x = \frac{12}{100}

100

12

× x = 0.12x

So,

→ Incresed price = x + 0.12x =

=> 1.12x

But increased prised = 145.60,

So,

1.12x=145.60;

x = {145.60}{1.12}

1.12

145.60

= 130

x=300

∵ Original price of the book is 300 Rs

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