Question

The number of students in a college in 1972 was 510, of these 480 were boys. In 1982,

the number of boys increased by 100% and that of girls increased by 300% of that of

1972. In 1992 the total number of students in the college was 1200, the number of

boys being double the number of girls.

Present the above data in a tabular form. ​

Answer 1

Step-by-step explanation:

In 2005

510

Boys =480

Girls =30

In 2010

Boys =100%of480+480=960

Girls =300%of30+30=90

In 2012

Boys : girls

2x : x

Total 3x=1200(given)

X=400

So boys =800

Girls =400