Problema Solution
A candidate scored 25% marks in an examination and failed by 3
marks, while another candidate who scored 50% marks got 20 marks more than the minimum pass marks.find the maximum marks and minimum pass marks.
Answer provided by our tutors
Solution:
x = minimum pass mark
y = maximum pass mark
0.25y = x - 3
x = 0.25y + 3
0.50y = x + 20
0.50y = 0.25y + 3 + 20
0.25y = 23
y = 92 marks
x = 0.25(92) + 3
x = 26 marks