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Re: A merchant mixes three varieties of rice costing Rs.20/kg, [#permalink]
I got the answer has 5kg by assuming the first variety has 1 kg. here it is 1kg----- Rs 20/kg, x kg-------- Rs 24/kg and 2kg----- Rs 30/kg and sells it at 20% profit of y-y @ 30 = Rs 25/kg. so (1+x+2) kgs @ 25 = 20+ 24x + 60 solve for x and we get 5 kgs but I guess the question is wrong
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Re: A merchant mixes three varieties of rice costing Rs.20/kg, [#permalink]
assuming x is the weight of 2nd type and y of 1st type.

So we have total value as:
y*20+x*24+2*30 ----> 20y+24x+60

Now in the market it was sold at 20% profit at 30Rs/kg, which means

(20y+24x+60)+(20/100)*(20y+24x+60) = 30(x+y+2)

which on resolving will give
x+5y=10

Only option that satisfies the above scenario is 5.
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Re: A merchant mixes three varieties of rice costing Rs.20/kg, [#permalink]
mba wrote:
assuming x is the weight of 2nd type and y of 1st type.

So we have total value as:
y*20+x*24+2*30 ----> 20y+24x+60

Now in the market it was sold at 20% profit at 30Rs/kg, which means

(20y+24x+60)+(20/100)*(20y+24x+60) = 30(x+y+2)

which on resolving will give
x+5y=10

Only option that satisfies the above scenario is 5.


You are again assuming that Y is integer. But that is unwarranted.
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Re: A merchant mixes three varieties of rice costing Rs.20/kg, [#permalink]
got the 5. Solution is same as mba
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Re: A merchant mixes three varieties of rice costing Rs.20/kg, [#permalink]
gmatblast wrote:
A merchant mixes three varieties of rice costing Rs.20/kg, Rs.24/kg and Rs.30/kg and sells the mixture at a profit of 20% at Rs.30 / kg. How many kgs of the second variety will be in the mixture if 2 kgs of the third variety is there in the mixture?

(1) 1 kg (2) 5 kgs (3) 3 kgs (4) 6 kgs



Could anybody provide a solution for the above problem?

Note: we cannot assume that quantity values will be integer only.
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Re: A merchant mixes three varieties of rice costing Rs.20/kg, [#permalink]
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Hi earnit,

This series of posts is over 11 years old, so you're not likely to hear from any of the posters.

As it stands, this question is incomplete and is not written in proper GMAT 'style', so you can ignore it. The biggest 'issue' is that you need to know how many kg's of the first type of rice you have (and that info was not provided). IF we were told that there was 1 kg of that first type of rice, then the correct answer would be 5kg of the second type of rice.

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Re: A merchant mixes three varieties of rice costing Rs.20/kg, [#permalink]
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Re: A merchant mixes three varieties of rice costing Rs.20/kg, [#permalink]
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