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The given graph represents the number of users of three Telecom services Jio, Vodafone and Airtel across 5 cities Mumbai, Delhi, Kolkata, Punjab and Patna
 
Number of users (in thousands)
1
What is the total number of users of Vodafone and Airtel across all five cities together?
» Explain it
A
Number of users of Vodafone in Mumbai = 500
 
Number of users of Vodafone in Delhi = 600
 
Number of users of Vodafone in Kolkata = 500
 
Number of users of Vodafone in Punjab = 700
 
Number of users of Vodafone in Patna = 650
 
Number of users of Airtel in Mumbai = 450
 
Number of users of Airtel in Delhi = 400
 
Number of users of Airtel in Kolkata = 450
 
Number of users of Airtel in Punjab = 700
 
Number of users of Airtel in Patna = 400
 
Hence, Total number of users of Vodafone and Airtel across all five cities = (500 + 600 + 500 + 700 + 650 + 450 + 400 + 450 + 700 + 400) = 5350

Therefore, option (A) is correct.
 
2
The number of users of Jio and Vodafone together in Patna is what percent of the number of users of Vodafone and Airtel together in Delhi?
» Explain it
C
Number of users of Jio in Patna = 700
 
Numbers of users of Vodafone in Patna = 650
 
Number of users of Jio and Vodafone together in Patna = 700 + 650 = 1350
 
Numbers of users of Vodafone in Delhi = 600
 
Numbers of users of Airtel in Delhi = 400
 
Number of users of Vodafone and Airtel together in Delhi = 600 + 400 = 1000
 
Hence, required percentage

=  1350  × 100 = 135%
1000

Therefore, option (C) is correct.

3
What is the average number of users of Jio and Airtel across all five cities together?
» Explain it
C
Number of users of Jio in Mumbai = 400

Number of users of Jio in Delhi = 500

Number of users of Jio in Kolkata = 650

Number of users of Jio in Punjab = 800

Number of users of Jio in Patna = 700

. Number of users of Airtel in Mumbai = 450

Number of users of Airtel in Delhi = 400

Number of users of Airtel in Kolkata = 450

Number of users of Airtel in Punjab = 700

Number of users of Airtel in Patna = 400

So, the total number value of users of Jio and Airtel across all five cities together

= 400+500+650+800+700+450+400+450+700+400

= 5450

Hence, average number of users of Jio and Airtel across all five cities together 

=  5450 = 545
10

Therefore, option (C) is correct.

4
What is the difference between the total number of users of Jio, Vodafone and Airtel together in Kolkata and the total number of users of Jio, Vodafone and Airtel together in Mumbai?
» Explain it
A
Number of users of Jio in Kolkata = 650
 
Number of users of Vodafone in Kolkata = 500
 
Number of users of Airtel in Kolkata = 450
 
Total number of users of Jio, Vodafone and Airtel together in Kolkata = 650 + 500 + 450 = 1600
 
Number of users of Jio in Mumbai = 400
 
Number of users of Vodafone in Mumbai = 500
 
Number of users of Airtel in Mumbai = 450
 
Total number of users of Jio, Vodafone and Airtel together in Mumbai = 400 + 500 + 450 = 1350
 
Hence, required difference = 1600 – 1350 = 250

Therefore, option (A) is correct.
 
5
What is the ratio of the number users of Jio, Vodafone and Airtel together in Patna to the number of users of Vodafone and Airtel together in Punjab?
» Explain it
D
Number of users of Jio in Patna = 700
 
Number of users of Vodafone in Patna = 650
 
Number of users of Airtel in Patna = 400
 
Total number of users of Jio, Vodafone and Airtel together in Patna = 700 + 650 + 400 = 1750
 
Number of users of Vodafone in Punjab = 700
 
Number of users of Airtel in Punjab = 700
 
Total number of users of Vodafone and Airtel together in Punjab = 700 + 700 = 1400
 
Hence, required ratio =  1750   = 5 : 4
1400

Therefore, option (D) is correct.