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The cost of 6 pencils is Rs. 30 and 12 p...

The cost of 6 pencils is Rs. 30 and 12 pens is Rs. 120. Find the average cost of 50 pencils and 50 pens.
6 पेंसिल का मूल्य रु 30 और 12 कलमों का मूल्य रु120 है | 50 पेंसिल और 50 कलमों का औसत मूल्य कितना है ?

A

Rs 6.75 / रु 6.75

B

Rs 7.5/रु 7.5

C

Rs 5 / रु 5

D

Rs 5.75 / रु 5.75

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