Question

if 1 pen is sold in 30 rupees and in 10% profit then what is the buying price?​

Answer 1

Answer:

27.27

Step-by-step explanation:

purchase amount =x

purchase amount+10% of purchase amount= 30

i.e. x + 0.10x=30

1.1x=30

=>x=27.27

Answer 2

Answer:

3

Step-by-step explanation:

because 1 pen he sold at the profit = 10 %

then, profit = Sp-Cp

10%=30-x

x= 30 × 10/100

0 to 0 cancel

then 3×1 = 3

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