45. In a school, ⅗of the children are boys and the number of girls is 800. The number of boys is
(A) 800
(B)1000
(C)1200
(D) 2000
Answers
Answered by
8
Answer:
D
Step-by-step explanation:
Let Total Students = x
Number of boys = 3/5 of x = 3x/5
Number of girls = 800
According to question
3x/5 + 800 = x
( 3x + 4000 ) / 5 = x
3x + 4000 = 5x
4000 = 5x - 3x
4000 = 2x
2000 = x
So option (d) is correct
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