Question 8
Given
Order:cream
Dose:3.5cm in cm ruler
But the available ruler is a wooden inch ruler measuring 1in=2.54cm
When 1"=2.54cm
Then ??"=3.5cm
Cross multiply and divide
=3.5×1÷2.54
=1.37
Ans:1.37 inch has to be applied with the wooden ruler
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