A car covers 13 part of total distance with a speed of 20km hr-1 and second 13part with a speed of 30 km hr-1and the last 13part with a speed of 60 km hr-1. The average speed of the car is
see full answer
High-Paying Jobs That Even AI Can’t Replace — Through JEE/NEET
🎯 Hear from the experts why preparing for JEE/NEET today sets you up for future-proof, high-income careers tomorrow.