In an examination in which the full marks were 500, A scored 25% more marks than B, B scored 60% more marks than C and C scored 20% less marks than D. if A scored 80% marks, then the percentage of marks obtained by D is:
Show answer & explanation
Correct answer: D
Explanation
The correct answer is option 4 i.e 50%
Let the marks scored by D be 'x'
The marks scored by C, B & A becomes 0.8x, 1.28x & 1.6x
A scored 80% marks which are 1.6x
The score of D (x) = 80 / 1.6 = 50%