The number of boys and girls in a class are in the ratio 7 : 5. The number of boys is 8 more than the number of girls. What is the total class strength?
( a ) 36
( b ) 48
( c ) 96
( d ) none of these
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Answer:
The answer of this question is 48
Answered by
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Answer:
48 answer
Step-by-step explanation:
Let the number of boys be 7x and that of girls be 5x.
According to the given condition, we have
Number of boys = Number of girls +8
⇒7x=5x+8
⇒7x−5x=8 ....[Transposing 5x to LHS]
⇒2x=8
⇒x = 8/2 = 4
Therefore, number of boys =7×4=28 and number of girls =5×4=20
So, total number of children in the class =28+20=48.
Hence, the class strength is 48
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