Question : Between 10 pm and 6 am, a fitness band records the following data. Refer to the following data table and answer the question.
| Deep sleep | 15% |
| Dreaming | 15% |
| Light sleep | 5% |
| Extremely light sleep | 30% |
| Awake | 35% |
How long was the user in Deep Sleep or was Awake?
Option 1: 3.5 hours
Option 2: 2.5 hours
Option 3: 4.5 hours
Option 4: 4 hours
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Correct Answer: 4 hours
Solution :
According to the data given,
Total time = 10 am to 6 am = 8 hours
The user in deep sleep or was awake = 15% + 35% = 50%
So, the time spend by user = $\frac{50}{100}×8 = 4$
Hence, the correct answer is 4 hours.
Related Questions
Question : Refer to the following data table and answer the question.
| Deep sleep | 20% |
| Dreaming | 20% |
| Light sleep | 30% |
| Extremely light sleep | 25% |
| Awake | 5% |
Between 10 pm to 6 am, a fitness band records the following data. How long was the user in Light sleep or Extremely light sleep?
Option 1: 4.4 hours
Option 2: 3.9 hours
Option 3: 2.9 hours
Option 4: 4.9 hours
Question : Refer to the following data table and answer the question.
| Year | Company's % Profit |
| 2011 | 15 |
| 2012 | 5 |
| 2013 | 10 |
| 2014 | 25 |
| 2015 | 15 |
What was the revenue of the company if its expenditure was Rs. 525 crore in the year when its % profit was the least?(In Rs.crore)
Option 1: 577.5
Option 2: 603.75
Option 3: 525
Option 4: 551.25
Question : Refer to the following data table and answer the question.
| Weight (kg) | Height (m) | |
| Apeksha | 59 | 1.8 |
| Apsara | 51 | 1.72 |
| Aradhana | 62 | 1.57 |
| Archana | 74 | 1.68 |
Who has the lowest weight-to-height ratio?
Option 1: Apeksha
Option 2: Apsara
Option 3: Aradhana
Option 4: Archana
Question : Calculate the mean from the following table.
| Scores | Frequencies |
| 0-10 | 2 |
| 10-20 | 4 |
| 20-30 | 12 |
| 30-40 | 21 |
| 40-50 | 6 |
| 50-60 | 3 |
| 60-70 | 2 |
Option 1: 34.2
Option 2: 33.4
Option 3: 32.6
Option 4: 35.8
Question : The following table shows the number of children in each house of a society.
| Number of Children | Number of Houses |
| 0 | 7 |
| 1 | 7 |
| 2 | 13 |
| 3 | 3 |
What is the average number of children per house?
Option 1: 1.65
Option 2: 1.4
Option 3: 1.9
Option 4: 1.15
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