Latest TCS Aptitude Question SOLUTION: 7. A product costs L Rs/kg for the first 30kg and Q Rs/kg for each extra kg. 33 Kg of this product costs Rs 1167 and 36 Kg of this product costs Rs 1204. What is the cost of 10kg o

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7. A product costs L Rs/kg for the first 30kg and Q Rs/kg for each extra kg. 33 Kg of this product costs Rs 1167 and 36 Kg of this product costs Rs 1204. What is the cost of 10kg of this product?

Asked In TCS deepak gupta (11 years ago)

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Debarchana Basak  (11 years ago)

33=30+3. So, the first equation will be 30L+3Q= 1167....(1)
36=30+6. So, the second equation will be 30L+6Q= 1204....(2)
(2)-(1) gives us 3Q=1204-1167 => Q= 12.33(approx.)
Putting this in (1) 30L+3*12.33= 1167=> L=37.66(approx.)
therefore 10kg of this product will cost aproxx. Rs. 376.6/-

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