Question

Total number of students in a class is 1800, and the ratio of number of boys to girls is 4:5. If the number of boys and girls is increased by y% and (y – 3)% respectively, then the total number of students in the class will become 2070. Find the value of y. (Can calculate approximate value)

A 35.22%
B 16.67%
C 27 .55%
D 25 .66%
E None of these
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