Millionaire Mode

Energy Efficiency: Lighting and Appliances

Question 1 of 15

Which of the following lighting technologies is the most energy-efficient?

  1. Incandescent bulbs
  2. Compact fluorescent lamps (CFLs)
  3. Light-emitting diodes (LEDs)
  4. Halogen bulbs

Prize Money

15₹7 Crores
14₹1 Crore
13₹50,00,000
12₹25,00,000
11₹12,50,000
10₹6,40,000
9₹3,20,000
8₹1,60,000
7₹80,000
6₹40,000
5₹20,000
4₹10,000
3₹5,000
2₹2,000
1₹1,000