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6. The number of employees in a company in different years is shown in the following table:

Years 2018 2019 2020 2021 2022 2023 2024

Number of Employees 225 450 525 650 700 750 800

◊
Prepare a pictograph to represent (use = 50 employees) employees and answer the following
questions.

(a) Which year has the maximum number of employees and how many symbols are used
to represent this number?

(b) How many symbols are used to represent the total number of employees from 2022 to
2024?

7. The LCM of two numbers is 72. If the numbers are 36 and 24, then find their HCF.

8. Case Study based Question

The lives of people of India are significantly impacted by rivers
of India. Livelihood of number of Indian people is dependent
on these rivers. In addition to that these rivers provide energy,
affordable transportation, irrigation and drinking water.

The lengths of some of these important rivers of India (rounded
off to nearest 100) are shown in the following.

Rivers Ganga Yamuna Godavari Krishna Kaveri

Length (in km) 2500 1400 1500 1300 800
Based on the above information, answer the following questions:

(a) Draw a bar graph to represent the above information.

(b) What is the difference between the longest and the shortest rivers?

(c) Write all the palindromic numbers greater than length of river Kaveri and less than 830.

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