Question

Q11. There are 30 boys and 20 girls in a class. The ratio of the number of girls to the number of boys (d) 3:5 (a) 2:3 (b) 3:2 (c) 2:5​

Answer 1

Answer:

a 2:3

Step-by-step explanation:

no. of boys = 30

no. of girls = 20

ratio of no. of girls to no. of boys:-

no. of girls

_________

no. of boys

=> 20/30 = 2/3

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Answer 2

$\huge{\underline{\underline{\mathfrak{Answer :}}}}$

There are 30 boys and 20 girls in a class. The ratio of the number of girls to the number of boys :

• 3:5
• 2:3 ✔️
• 3:2
• 2:5

The correct option is b (2:3).

_______________________

$\huge{\underline{\underline{\mathfrak{Explanation :}}}}$

$\sf{\rightarrow Number \ of \ boys = 30} \\ \sf{\rightarrow Number \ of \ girls = 20}$

$\large{\underline{\boxed{\rm{Ratio = \dfrac{Number \ of \ girls}{Number \ of \ boys}}}}}$

$\sf{\rightarrow Ratio = \dfrac{2 \cancel{0}}{3 \cancel{0}}} \\ \sf{\rightarrow Ratio = \dfrac{2}{3}} \\ \sf{\rightarrow Ratio = 2 : 3}$