Question

If by selling a pen for Rs.72, Tina gain 20%, then find the cost price of the pen.

Answer 1

Answer:

₹ 60

Step-by-step explanation:

SP = 72

% P = 20 %

CP = ?

$CP=\frac{100}{100+\%P} \times SP\\=\frac{100}{100+20} \times 72\\=\frac{72 \times 100}{120}\\=6 \times 10 = 60$

Thus, the cost price of pen is ₹ 60