The bar graph given below presents the amount (volume in litres) of water in ten different mixtures.
The amount of water in mixture M7 is how much more than the average amount of water per mixture?
Show answer & explanation
Correct answer: B
Explanation
Correct Answer is option 2 i.e. 4.4
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Understanding |
Application |
Calculation |
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Average = Sum of numbers/Total numbers |
From the bar graph: Average amount of water per mixture = 23.6 litre |
⇒ (12 + 14 + 15 + 17 + 21 + 24 + 28 + 31 + 34 + 40)/10 ⇒ 236/10 ⇒ 23.6 |
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The amount of water in mixture M7 = 28 litre |
Hence, Required difference = 28 – 23.6 = 4.4 litre |
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