Manoj needs 36% to pass on exam. He secured 24% and failed by 9 marks. What were the maximum marks
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8th
Maths
Comparing Quantities
Increase and Decrease in Percentage
A candidate who gets 36% ma...
MATHS
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Asked on December 20, 2019 by
Swarada Nerula
A candidate who gets 36% marks in the examination fails by 24 marks but another candidate, who gets 43% marks, gets 18 more marks than the minimum pass marks. Find the maximum marks and the percentage of pass marks.
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ANSWER
Let the Passing marks be x
and the Total marks be y
First Canditate=36% ofy+24=x
Second Canditate=43% ofy−18=x
First cand.=Second Cand.
100
36y
+24=
100
43y
−18
25
9y
+24=
100
43y
−18
24+18=
100
43y
−
100
36y
42=
100
7y
7
4200
=y=600
Total marks=600
100
36
y+24=x
10
36
×600+24=x
216+24=x
240=x
Passing marks=240