Question : The following graph shows the sales (in crores) of computers and smartphones in a country during the year 2018 to 2022.
What is the difference between the average sale of computers and the average sale of smartphones during these years?
Option 1: 1 crores
Option 2: 0.5 crores
Option 3: 0.2 crores
Option 4: 0.8 crores
Correct Answer: 0.2 crores
Solution :
The sales of computers (in crores) in a country during the year 2018 to 2022
= 30 + 50 + 55 + 56 + 64 = 255
Average = $\frac{\text{Total sales}}{\text{Total years}}=\frac{255}{5}= 51$ (in crores)
The sales of smartphones (in crores) in a country during the year 2018 to 2022
= 20 + 36 + 60 + 68 + 70 = 254
Average = $\frac{254}{5}$ = 50.8 (in crores)
$\therefore$ Difference = 51 – 50.8 = 0.2 (in crores)
Hence, the correct answer is 0.2 crores.
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