NIACL Model Paper 6 with solutions for free online practice

Question : 55 of 100

Marks: +1, -0

Cost of 6 dozen apples and 8 dozen bananas is Rs. 1400. What will be the cost of 15 dozen apples and 20 dozen bananas ?

Rs. 3,200
Rs. 3,500
Rs. 3,600
Rs. 4,200
None of these

Solution:

(2) Let the CP of a dozen of apples and a dozen of bananas be Rs. x and Rs. y respectively. According to the question,6x + 8y = 1400
Dividing both sides by 2,
3x+ 4y = 700
Multiplying both sides by 5, we have,

15x + 20y = 700×5

= Rs. 3500

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