## 11. If the thickness of a pile of 12 cardboard sheets is 35 mm, then the thickness of a pile of 240 sheets is O 70 cm O<

Question

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## Answers ( )

Option (1) 70 cmis correct.:–GivenTo:–FindSolutio:–nFirst, we need to find the value of the thickness of a pile of a cardboard sheet.

So,

Given that,

The thickness of a pile of 12 cardboard sheets = 35 mm.

So,

The thickness of a pile of a cardboard sheet =

Hence,

The thickness of a pile of a cardboard sheet is

Now, we have to find the thickness of 240 cardboard sheets =

Now, we have to convert

mmtocm.We know that,

So,

For converting, we need to divide length value by 10.

We have,

Now,

## Hence,

The

option (1) 70 cmis correct.