Question

1. Pens are brought at 12 for a rupee and sold at 9 for a rupee. Find gain or loss%​

Answer 1

your answer

Gain is 33.33%.

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Answer 2

Answer:

33.33%

Step-by-step explanation:

Cost price= 12 pens for a rupee ⇒ one pen costs 1/12 rupee

Sold for = 9 pens for a rupee ⇒ one pen sold for 1/9 rupee

Gain/loss- ?

Gain= 1/9-1/12= 4/36-3/36=1/36 rupee per pen

Gain%= 1/36 ÷ 1/12 = 1/36 × 12= 1/3 = 33.33%