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Categories >> Software >> Testing >> QA Concepts


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Three types of tea the a,b,c costs Rs. 95/kg,100/kg and70/kg
respectively.How many kgs of each should be blended to produce 
100 kg of mixture worth Rs.90/kg, given that the raveled s of 
band c are equal...
 Question Submitted By :: QA-Concepts
I also faced this Question!!     Answer Posted By  
# 1
a+b+c = 100
b = c
a.95 + b.100 + c.70 = (a+b+c).90

in this system of 3 linear equations with 3 unknown values, replace c by b , since they are equal:

a = 100 -2.b
a.95 + b.170 = 9000


9500 + b.(170 - 190) = 9000


500 = 20.b

The correct answer is b = c = 25 kg, a = 50 kg.
Is This Answer Correct ?    49 Yes 2 No
# 2
Is This Answer Correct ?    21 Yes 11 No
Ashish Mehta

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