Step 1: Let the marked price of the scooter be M. The discount on the scooter is 20%. Mark saves at least ₹8,000, so we have:
\[ 0.2M = 8000. \]
Step 2: Solving for M:
\[ M = \frac{8000}{0.2} = 40,000. \]
Conclusion: The minimum possible marked price of the scooter is ₹40,000.
In a survey, 60 % of 200 students prefer online classes, and 25 % of the remaining prefer hybrid classes. How many students prefer neither?