Answer:

To earn a PROFIT of 20%, the price of rice per kg will be. Rs. 65

explain

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There WOULD be a 10% loss, if rice is sold at Rs. 54 per kg. To earn a profit of 20%, the price of rice per kg will be

Rs. 65

Rs. 70

Rs. 63

Rs. 72

Correct Option: D

Here , S.P. of rice per kg = Rs. 54

∴ C.P. of rice per kg =

54 × 100

= Rs. 60

90

For 20% profit,

S.P. per kg. =

60 × 120

= Rs. 72

100

Using the given formula :

Here , Loss% = 10%

C.P. = S.P. 100

100 - Loss%

C.P. = 54 100

100 - 10

C.P. = Rs. 60

New S.P. = C.P. 100 + Profit%

100

New S.P. = 60 × 100 + 20 = $ 72