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Question : The following table shows the number of trucks of 6 different brands sold from a showroom during a given period of time.

Brand Trucks
B1 45
B2 35
B3 36
B4 44
B5 28
B6 22

 

There are 8 tyres on each truck, irrespective of the brand of the truck. What is the average number of tyres per brand?

Option 1: 280

Option 2: 300

Option 3: 260

Option 4: 240


Team Careers360 4th Jan, 2024
Answer (1)
Team Careers360 24th Jan, 2024

Correct Answer: 280


Solution : Average = $\frac{\text{Sum of Observations}}{\text{Number of Observations}}$
Average = $\frac{8 \times {(45+35+36+44+28+22)}}{6}$ = 280
$\therefore$ The average number of tyres per brand is 280.
Hence, the correct answer is 280.

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Question : The following table shows the number of buyers visiting four different brand stores in a week. The number of buyers in Brand R is how much percent more than the number of buyers in Brand P during this week.

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