Question

in aexamination if person get 20% of the markes than it is fail 30 markes . another person who gets 30%get markes get then 30 markes more than passing markes . find out total and the passing markes

Answer 1

lt total marks = x

y is passing marks

1/5x +30 = y

3/10 - 30 =y

x= total marks = 600

y = 90

Answer 2

lt total marks = x

y is passing marks

1/5x +30 = y

3/10 - 30 =y

x= total marks = 600

y = 90

Answer 3

lt total marks = x

y is passing marks

1/5x +30 = y

3/10 - 30 =y

x= total marks = 600

y = 90