In a class , the ratio of the number of boys and girls is 9:5. Find the number of boys if the total number of students in the class is 42.
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In a class , the ratio of the number of boys and girls is 9:5. Find the number of boys if the total number of students in the class is 42.
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27
Step-by-step explanation:
Let the number of boys be 9x and girls be 5x.
ATQ
9x + 5x = 42
14x = 42
x = 42 ÷ 14
x = 3
No. of boys = 9 × 3 = 27
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