Question 5 - Figure it out - Page 19, 20 - Chapter 1 Class 8 - Fractions in Disguise (Ganita Prakash II)

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[Ganita Prakash] The petrol price in 2015 was β‚Ή60 and β‚Ή100 in 2025 - Figure it out - Page 19, 20

part 2 - Question 5 - Figure it out - Page 19, 20 - Chapter 1 Class 8 - Fractions in Disguise (Ganita Prakash II) - Class 8 (Ganita Prakash - 1, 2 & Old NCERT)

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Question 5 The petrol price in 2015 was β‚Ή60 and β‚Ή100 in 2025. What is the percentage increase in the price of petrol? (i) 50% (ii) 40% (iii) 60% (iv) 66.66% (v) 140% (vi) 160.66% We need to find Percentage increase Now, Percentage increase = π‘ͺπ’‰π’‚π’π’ˆπ’†/(π‘Άπ’“π’Šπ’ˆπ’Šπ’π’‚π’ π’‘π’“π’Šπ’„π’†) Γ— 100 Since price increased from β‚Ή 60 to β‚Ή 100, Original price = β‚Ή 60 Change in price = β‚Ή 100 – β‚Ή 60 = β‚Ή 40 Now, Percentage increase = πΆβ„Žπ‘Žπ‘›π‘”π‘’/(π‘‚π‘Ÿπ‘–π‘”π‘–π‘›π‘Žπ‘™ π‘π‘Ÿπ‘–π‘π‘’) Γ— 100 = πŸ’πŸŽ/πŸ”πŸŽ Γ— 100 = 4/6 Γ— 100 = 𝟐/πŸ‘ Γ— 100 = 200/3 = 66.66..% Thus, (iv) - 66.66% is the correct answer

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