Question

1. एक विद्यालय में लड़के-लड़कियों का अनुपात 5 : 2 है। यदि विद्यालय में 700 छात्र
| हों, तो लड़कों का प्रतिशत ज्ञात करें ।
(a) 70% (b) 712% (c) 71% (d) 71%​

Answer 1

Answer:

Step-by-step explanation:

let number of boys=5x

and number of girls=2x

7x=700

x=700/7

x=100

boys= 500

girls =200

percentage of boys=(500*100)/700

=500/7

=71.42% ans

Answer 2

Answer:

C 71%

Step-by-step explanation:

Let the number of boys and girls be 5x and 2x

ATQ

=5x + 2x =700

=7x=700

=x=700/7

=x=100

number of boys= 500

number of girls = 200

percentage of boys=(500×100)/700

=71.2%

Hope it will help you

Thanks