Question

if cost of 100 bag is 50 rupee cost of 1 bag will​

Answer 1

Well it's rather easy , follow these steps with me.

Cost of 1kg  or  1000g ( grams ) of rice =  50rupees  .

Cost of  1g  rice =  501000 rupees .

Cost of  100grams  of rice will be=  501000∗100  

we have ,  5000/1000=   5  rupees only.

See in similar fashion you can try and solve other problems.

Answer 2

Step-by-step explanation:

$100 \div 50$

$\frac{100}{50}$

$\frac{10}{5}$

$2$