In an examination in which full marks were 800, A gets 20% more than…

Question

In an examination in which full marks were 800, A gets 20% more than B, B gets 20% more than C, and C gets 15% less than D. If A got 576, what percentage of full marks did D get (approximately) ?

Accepted Answer

Option C. 58.82. Answer & Solution Answer: Option C Solution: & A = 120100B, & B = 120100C\, \& & C = 85100D & B = 5/6A & C = 5/6B\, \& & D = 2017C & B = 5/6 × 576 = 480 & C = 5/6 × 480 = 400 & D = 2017 × 400 = 800017 So, required percentage : & = ( 800017 × 1800 × 100 )\% & = 58.82\%