Question

Six 1.2 L bottle of oil costs $\$$37.92.
Cost of 6 L of oil is .

• A. $\$$12.70
• B. $\$$42.50
• C. $\$$31.60
• D. $\$$24.30

Answer 1

The correct option is C $\$$31.60

Cost of 6 bottles of oil = $\$$37.92
∴ Cost of 1 bottle of oil = $\$$37.92 $÷$ 6

Dividing 37.92 by 6 by standard method, we get:


∴ Cost of 1 bottle of oil = $\$$6.32

Now, it is given that one bottle has
1.2 L of oil.
We have to find out the cost of 6 L of oil.

Observing the number of bottles required, we get:


Hence, we require 5 bottles to meet the requirement.

Cost of 1 bottle of oil = $\$$6.32
∴ Cost of 5 oil bottles = $\$$6.32 $\times$ 5

Calculating 6.32 $\times$ 5 by standard method, we observe:


Cost of 5 bottles of oil = $\$$31.60

Therefore, cost of 6L of oil is $\$$31.60.