A person buys three articles P, Q and R for ₹ 3,330. If P costs 25% more than R and R costs 20% more than Q, then what is the cost of P?

1. **Convert Percentages to Fractions**: - 'R costs 20% more than Q': 20% is 1/5. So R is $1 + 1/5 = 6/5$ of Q. In ratio terms, **R:Q = 6:5**. [17] - 'P costs 25% more than R': 25% is 1/4. So P is $1 + 1/4 = 5/4$ of R. In ratio ter