Question

11.
The students in three classes are in the ratio 2 :
3:5. If 20 students are increased in each class,
the ratio changes to 4:5:7. Originally the total
number of students was
(a) 50
(b) 90
(c) 100
(d) 150
(e) None of these

Answer 1

Answer:

answer C

100

Step-by-step explanation:

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