Question

if a pen is sold for 6₹, there is 20% profit. the cost of 5 dozen such pen is :

A) 280
B) 300
C) 320
D) 340

Please explain in detail​

Answer 1

B) 300 is ur answer

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Answer 2

Sᴏʟᴜᴛɪᴏɴ★

SP of 1 pen → Rs 6

Profit is 20%

So CP → ?

CP × 120/100→6

CP→5

So cost of 1 dozen → 5x12=60

Cost of 5 dozen→60×5➟rs 300