Question

A man sold his book for Rs. 891, thereby
gaining 1/10th of its cost price. The cost price
of the book was?

Answer 1

Answer:

Rs. 810

Step-by-step explanation:

The cost price- x

Sold for- Rs. 891

Gain- 1/10x

Cost price+gain= sold price, we can find cost price now:

x+1/10x=891

1.1x=891

x=891/1.1=810

Cost price is Rs. 810

Answer 2

Answer:

this is the answer.

hope it helps ✌️