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please continue here.

http://www.pagalguy.com/discussions/official-quant-thread-for-cat-2013-25088456

http://www.pagalguy.com/discussions/official-quant-thread-for-cat-2013-25088456

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If

OPTIONS

1) −2

2) −1

3) 0

4) 1

5) 2

*f*(*n*) is the number of solution sets (*x*,*y*) for the equation*x*+ 2*y*=*n*, such that*x*,*y*and*n*are all whole numbers, what is the value of the expression X =*f*(870) −*f*(868)?OPTIONS

1) −2

2) −1

3) 0

4) 1

5) 2

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profit due to impurities is 25%

profit due to false weighing is 25%, cumulative profit will be 25+25+25*25/100=56.25%

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56.25%

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A dishonest dealer claims to sell a product at its cost price. He uses a counterfeit weight which is 20% less than the real weight. Further greed overtook him and he added 20% impurities to the product. Find the net profit percentage of the dealer?Please solve this question ?

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