Question

The data given in the table shows the number of boys and girls enrolled in three different streams in a school over 5 years.

Years	Arts		Science		Commerce
	Boys	Girls	Boys	Girls	Boys	Girls
2012	48	36	40	35	35	45
2014	42	43	42	32	32	42
2016	45	42	38	30	36	38
2018	39	46	41	23	28	34
2020	36	43	39	30	39	41

 

The number of boys in Science stream in the years 2012 and 2016 taken together is what percent of the number of girls for all the years in the Commerce stream?

1. 45.5
2. 39
3. 35
4. 32.5

Answer 1

Correct Answer - Option 2 : 39

Calculation:

The number of boys in Science stream in the years 2012 and 2016 = 40 + 38 = 78

The number of girls for all the years in the Commerce stream = 45 + 42 + 38 + 34 + 41 = 200

∴ The required percentage = 78/200 × 100 = 39%