NCERT Figure it Out 3 - Q5 - Fractions in Disguise
Question: The petrol price in 2015 was Rs 60 and Rs 100 in 2025. What is the percentage increase? Options include 50%, 40%, 60%, 66.66%, 140%, 160.66%.
Answer: (iv) 66.66% (exactly 200/3 %).
Full step-by-step NCERT solution with diagrams on Something by Zero.