Question

thera are 50 student in 9th class of which 40 student are boys and rest are girls,the ratio of no. of boys and no. of girls​

Answer 1

TOTAL Number of students in class 9 are☞50

No.of boys are ☞40

$No .of \: Girls \: ☞\: \: \: 50 \\ \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \:- 40 \\ \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: = 10$

∴ Ratio of No.Of boys: no.of girls

40:10= 4:1

= ratio of No.Of boys:No.of girls is 4:1