A shopkeeper purchases 12 balloons for Rs.10 and sells them at 10 balloons for Rs.12 Thus he earns a profit for:

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RRB ASSISTANT LOCO PILOT (Allahabad) 2010 click here to view all questions

A shopkeeper purchases 12 balloons for Rs.10 and sells them at 10 balloons for Rs.12 Thus he earns a profit for:

A0.35

B0.36

C0.44

D0.45

prakash ? Dec 22 '2019 at 20:40

Correct answer is:

Explanation:

Number of balloons purchased and sold be = L.C.M (12, 10) = 60

CP = \(\frac{60}{12} \times 10 = 50\)

SP = \(\frac{60}{10} \times 12 =72\)

P = \(\frac{70-50}{50} \times 100 = \frac{22}{50} \times 100 =44 \%\) 

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Correct answer is: Explanation: Number of balloons purchased and sold be = L.C.M (12, 10) = 60 CP = \(\frac{60}{12} \times 10 = 50\) SP = \(\frac{60}{10} \times 12 =72\) P = \(\frac{70-50}{50} \times 100 = \frac{22}{50} \times 100 =44 \%\)  prakash ? answered Dec 22 '2019 at 20:40 All Comments

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