Correct Answer: Option C

Explanation

Efficiency = M.A/V.R X 100/1 M.A = Load/Effort = 500/250
= 2
V.R. = radius of wheel/radius of axle = 0.4/0.1 = 4.
therefore Efficiency = 2/4 x 100/1 = 50 %

• if 5^(2x)=125 find x? Answer this

  3 Answers   ·   Mathematics   ·   4 days ago
• how does post utme looks like and what are the subjects required for a medical student? Answer this

  2 Answers   ·   2 days ago
• What are the male and female reproductive hormones in animals? Answer this

  4 Answers   ·   Agricultural Science   ·   2 days ago