Question: 
Lamp A is less bright than Lamp B; lamp B is brighter than Lamp C; Lamp C is as bright as Lamp D. Lamp B is brighter than Lamp D and Lamp D is brighter than Lamp A. Which lamp is the brightest?
Lamp A
Lamp B
Lamp C
Lamp D
No solution
Answer: 
Lamp B
Last Updated: 
18/09/2020 - 01:17