Question

Rajan had money which was enough to buy 30 books of Rs 20 per book. If the price of each book is increased to Rs 25, how many books can Rajan buy with the same amount of money?​

Answer 1

Answer:

123.0

Step-by-Step Explanation :

Given,Rajan had enough money to buy 30 books for RS 20 each if the price of each book increased resulting in the total cost increase of rupees 25.

The total money Rajan have

⇒30×20=Rs. 600

Now, total price of the book after increment of Rs. 25,

⇒600+25= Rs. 625

Find the new price of per book,

⇒ 625 = 20.5

30

So, the new price of one book is Rs. 20.5

Now, find the number of books bought at new price,

⇒ 625 = 6

20.5

So, the number of books bought is 6.

Total money spent on the books is,

⇒ 6×20.5 = 123.0

The money left with Rajan is,

⇒ 625 - 123 = 502

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Answer 2

Answer:

24 books

Step-by-step explanation:

Rajan Has Money = 30×20=₹600

Before ₹20 Per Book

After ₹25 Per Book

Books ₹

30 20

x 25

Inverse Proportion

So,

30×20 = 25x

600÷25 = x

x = 24 Ans.

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