Question

Find the cost price if SP= rs 21 and gain = 5%

Answer 1

Answer:

Rs.20

Step-by-step explanation:

S.P = Rs. 21, Gain = 5%

∴ C.P. = (S.P. × 100)/(100 + gain %)

= (21 × 100)/(100 + 5)

= (21 × 100)/105

= Rs. 20

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Answer 2

Answer: The cost price is ₹ 20.

Step-by-step explanation: please mark my answer as brainlist