recategorized by

1 Answer

0 votes
0 votes

Ratio of boys to girls is 7 : 3
Thus ratio of boys in the class (7 / 10) and ratio of girls in the class (3 / 10) should be integer

here, only 50 satisfies this. 35 : 15 = 7 : 3

Answer:

Related questions

0 votes
0 votes
0 answers
2
go_editor asked Mar 1, 2021
$\begin{array}{|c|c|c|c|} \hline \textbf{Items} & \textbf{Cost} & \textbf{Profit} \% & \textbf{Marked Price} \\ & (₹) && (₹) \\ \hline P & 5,400 & \dots & 5,860 \\ \...
0 votes
0 votes
0 answers
3
go_editor asked Mar 1, 2021
There are five bags each containing identical sets of ten distinct chocolates. One chocolate is picked from each bag.The probability that at least two chocolates are iden...
0 votes
0 votes
0 answers
4
Lakshman Bhaiya asked Mar 20, 2022
If$p : q = 1:2$$q : r = 4 : 3$$r : s = 4 : 5$and $u$ is $50\%$ more than $s$, what is the ratio $p : u$?$2 : 15$$16 : 15$$1 : 5$$16 : 45$
0 votes
0 votes
0 answers
5
Milicevic3306 asked Mar 26, 2018
A cube of side $3$ units is formed using a set of smaller cubes of side $1$ unit. Find the proportion of the number of faces of the smaller cubes visible to those which a...