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Question 159
In a class, 40% of the boys is same as 1/2 of the girls and there are 20 girls. Total number of students in the class is
Solution
Number of girls = 20
Now, 40% of boys = 10
=> $$100\%$$ boys $$\equiv10\times\frac{100}{40}=25$$
$$\therefore$$ Total students = $$20+25=45$$
=> Ans - (B)
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