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  1. Jasmine allows 4% discount on the marked price of her goods and still earns a profit of 20%. What is the cost price of a shirt if its marked price is ₹ 850?
    1. ₹ 650
    2. ₹ 720
    3. ₹ 700
    4. ₹ 680
Correct Option: D

Let Cost price of the shirt = ₹ p

∴  p ×
120
=
850 × 96
100100

⇒  p × 120 = 850 × 96
⇒  p =
850 × 96
= ₹ 680
120

2nd method to solve this question.
Here r = 20%, D = 4%,
M.P. = ₹ 850, C.P. = ?
M.P.
=
100 + r
C.P.100 − D

850
=
100 + 20
C.P.100 − 4

C.P. =
850 × 96
120

C.P. = ₹ 680


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