MCA
Exam
Numerical Ability
Permutation and Combination
in what proportion must rice that costs Rs.20/kg be mixed with rice that costs Rs.25/kg so that the mixture is worth Rs.22/kg
Read Solution (Total 2)
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- 3:2
If 'x'Kg. of rice of Rs. 20/Kg is added to 'y'Kg. of Rs. 25/Kg, then
Per Kg. cost of a mixture=20x+25y/(x+y)=22, 2x=3y, x/y=3/2 - 10 years agoHelpfull: Yes(2) No(1)
- 3:2 we take 3 kg of rs:20 and 2kg of rs: 25
then total=rs110 for 5kg
here is also 110 for 5 kg
so 3:2 - 10 years agoHelpfull: Yes(0) No(1)
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