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anju

· started a discussion

· 1 Months ago

55 is not c.p. , (Question:33580.0)

55 is not c.p. , 56 will be

Question:
A lady purchased some oranges at rate of 7  for Rs.5 and later sold all at the rate of 11 for Rs.8, her loss or gain percent is:
Options:
A) \(1\cfrac{8}{11}\)%
B) 1\(\cfrac{9}{11}\)%
C) 1%
D) 2%
Solution:

In such questions, it is suggested to assume the number of oranges purchased as the L.C.M. of 7 and 11 i.e. 77 

C.P. of 7 oranges = Rs.5

C.P. of 77 oranges = Rs.\(\cfrac{5}{7}\times77\) =55

SP of 11 oranges = 8

SP of 77 oranges = \(\cfrac{8}{11}\times77\) =56

As S.P. is more than C.P. Their is profit of Rs.1

Gain percent = \(\cfrac{1}{55}\times100\) 

= \(1\cfrac{9}{11}\) %

Knowledge Expert

· commented

· 1 Months ago

Dear student,
Given answer is correct.
Keep learning,
Team TR

anju

· commented

· 1 Months ago

so 55/56*100=1/14*25 = 1+11/14 % will be the ansewer
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