Question

If one dozen of note books note books cost Rs. 252. Find the cost of 10 note books ?

Answer 1

Rs. 210

Explanation:

If 12 notebooks (or a dozen) cost 252,

then one notebook will cost 252/12 = 21 rupees.

If one notebook costs 21 rupees, then 10 notebooks will cost 21*10 ruppes, or 210 rupees.

Answer 2

Explanation:

`\underline {\underline{ \text{Given}}} :`

• Cost of one dozen of note books ( 12 note books ) = Rs 252

`\underline{ \underline{ \text{To \: find}}} :`

• Cost of 10 note books

`\underline{ \underline{ \text{Solution}}} :`

Finding the cost of 1 note book :

⟼
`\tt{ (252)/(12) = Rs 21}`

Finding the cost of 10 note books :

⟼
`\tt{21 * 10 = Rs 210}`

`\pink{ \boxed{ \boxed{ \tt{Our \: final \: answer : \boxed{ \underline{ \tt{Rs 210}}}}}}}`

Hope I helped ! ツ

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