Rajesh purchased 6 mangoes, 3 bananas and 10 guavas in Rs136. If the ratio of the cost (per piece) of mangoes, bananas and
guavas is 3 : 2 : 1, what will be the total cost of 1 mango, 2 bananas and 3 guavas?
This questions was previously asked in
SSC CGL 17th August 2021 Shift-1
Explanation:
- Rajesh buys various fruits: 6 mangoes, 3 bananas, and 10 guavas for Rs 136.
- The cost ratio per fruit is 3:2:1 (mango:banana:guava).
- Let's assume the cost per mango is 3x, per banana is 2x, and per guava is x.
- Total cost equation: \(6(3x) + 3(2x) + 10(x) = 136\).
- Simplifying: \(18x + 6x + 10x = 34x = 136\).
- Solving for x: \(x = 4\).
- Therefore, cost per mango = \(3x = 12\), per banana = \(2x = 8\), per guava = \(x = 4\).
- Cost of 1 mango, 2 bananas, 3 guavas: \(1(12) + 2(8) + 3(4)\).
- Total cost: \(12 + 16 + 12 = 40\).
- Correct Answer: Option 2, Rs 40.
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