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I think the answer should be C.

Statement I

2 loaves of bread when bought , the price per loaf is 10% less than the price when only 1 loaf is bought.

Therefore,

(p+q)/2 = (0.90)p

p+q = 1.80p

q= (.80)p

p could be anything and q could be anything.

Insufficient.

Statement II

6 loaves are bought for $10

p + 5q = 10

p could be anything, q could be anything.

Therefore insufficient.


Combining I & II

p + 5q = 10
q= (.80)p

we can easily find the value of p from the above given equations.
Sufficient.

Hence C is the answer.

Whats the OA?

Let me know if you have any doubts.

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Master | Next Rank: 500 Posts Default Avatar
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OA- C

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