Math, asked by kapildeovishwakarma0, 1 year ago

एक कक्षा के छात्रों का 2/7 भाग लड़के हैं । यदि लडकियों की संख्या 115 हो तो लड़कों की संख्या ज्ञात कीजिए

Answers

Answered by indian2004
3

Step-by-step explanation:

I m answering in english

let the total students in the class be x

no of boys = 2x /7 (ATQ)

no of girls = 115

so....

2x/7 + 115 = x

115 = x - (2x /7 )

115 = (7x -2x ) / 7

115 = 5x / 7

115 × 7 = 5x

805 = 5x

805 /5 =x

x = 161

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