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Question
If 9 mangoes cost as much as 5 oranges, 5 oranges as much as 3 apples, 4 apples as much as 9 pineapples and if 3 pineapples cost ₹ 48, what will a mango cost?
Options
₹ 9
₹ 12
₹ 18
₹ 27
MCQ
Solution
₹ 12
Explanation:
9 mangoes ≡ 5 oranges ≡ 3 apples
∵ 4 apples ≡ 9 pineapples
= 3 × 48
= ₹ 144
[3 Pineapples ≡ ₹ 48]
∴ 3 apples = `(144 xx 3)/4` = ₹ 108
∴ 9 mangoes ≡ ₹ 108
∴ 1 mango ≡ `108/9` = ₹ 12
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Number System (Entrance Exam)
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