Question

The population of a four major cities in India in a particular year is given below:

City Mumbai Kolkata Delhi Chennai

Number of

students

120 130 150 80

Construct a bar graph to represent the above data.​

Answer 1

14. Kabir walked 8.625 km on Monday. 7.059 km on Tuesday and some distance

Wednesday. If he walked 25 8 km in three days, how much distance did he we

13. A rope is 8.62 m long. A piece measuring 48

is left?

on Wednesday?

(b) Multiplication and Division

We explain the multiplication and division of measures of length by means of solu

examples

Example I. Multiply: 18.06 m by 8

Solution

Simple

18.06

Multiply 18.06 by a

m

X 8

144.48

.. 18.06 m x 8 = 144.48 m

Example 2. Cost of I metre of cloth is 12. Find the cost of 2.5 m cloth.

solution.

Cost of I m cloth = 12

Cost of 2.5 m cloth = 2.5 x 12 = 30

Cost of cloth is 30.

cample 3 18 06 Im

2.5

x 12

50

250