# NCERT Class 7 Mathematics Solutions: Chapter 3 – Data Handling Exercise 3.3 Part 1 (For CBSE, ICSE, IAS, NET, NRA 2022)

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1. Use the bar graph (fig 3.3) to answer the following questions:

(a) Which is the most popular pet?

(b) How many students have dog as a pet?

(a) Cat is the most popular pet

(b) Students have dog as a pet.

2. Read the bar graph, which shows the number of books sold by a bookstore during five consecutive years and answer the following questions:

(i) About how many books were sold in ?

(iii) In which years were fewer than books sold?

(iv) Can you explain how you would estimate the number of books sold in ?

According to the bar graph

(i)

(a) In , books were sold.

(b) In , books were sold.

(c) In , books were sold.

(ii) In about books were sold and in about books were sold.

(iii) In and fewer than books were sold.