Comprehension Passage
Direction: Study the following Bar chart carefully and answer the following questions.
The bar chart gives information about the number of people living in different types of houses in Saraswati Complex in different years.
What is the ratio of total number of people staying in different types of houses over the span of 5 years?
1
3 : 5 : 7
2
153 : 170 : 193
3
173 : 176 : 100
4
27 : 19 : 31
5
127 : 176 : 100