ABC26GN3387 · Chain Rule

Subject: General Aptitude · Chapter: Chain Rule · Exam: · Marks: · Difficulty:

The cost of 5 kgs of apples is ₹ 450. The cost of 12 dozen mangoes is ₹ 4,320 and the cost of 4 kgs of oranges is ₹ 240. What is the total cost of 8 kg of apples, 8 dozens of mangoes and 8 kg of oranges? [MAT-2012]
(a)₹ 4,020
(b)₹ 4,080
(c)₹ 4,050
(d)Other than those given as options
Answer
Answer (as printed): B
Explanation
Cost of 5 apples $=₹ 450$ Cost of 1kg apples = $\frac{450}{5}$ Cost of 8 kg apples $=\frac{450}{5} \times 8=₹ 720$ Cost of 12 dozen mangoes $=₹ 4,320$ Cost of 1 dozen mangoes $=\frac{4320}{12}$ Cost of 8 dozen mangoes $=\frac{4320}{12} \times 8=₹ 2880$ Cost of 4kg oranges $=₹ 240$ Cost of 1 kg orange $=\frac{240}{4}$ Cost of 8 kg orange $=\frac{240}{4} \times 8=₹ 480$ Total cost $=720+2880+480=₹ 4080$

Explanation as extracted from the printed page; notation may be imperfect.

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