1/5 multiplied by what number will result in a product of 1/10?
a. 1/2
b. 2.
c. 1/5
d. 5

is the correct answer.

Explanation:

We are given with = 1/5

We want the result to be = 1/10

Let the fraction we want to know is X so

According to given condition:

Multiplying both sides by 5 we get:

As we know the cancellation property =

So By simplifying:

As 5 and 10 are multiples of 5 so they will be cancelled to give:

Hence when 1/5 will be multiplied by 1/2 the product is 1/10.