Comprehension
To compare the rainfall data, India Meteorological Department (IMD) calculated the Long Period Average (LPA) of rainfall during period June-August for each of the 16 states. The figure given below shows the actual rainfall (measured in mm) during June-August, 2019 and the percentage deviations from LPA of respective states in 2018. Each state along with its actual rainfall is presented in the figure.
Question: 1
If a ‘Heavy Monsoon State’ is defined as a state with actual rainfall from June-August, 2019 of 900 mm or more, then approximately what percentage of ‘Heavy Monsoon States’ have a negative deviation from respective LPAs in 2019?
If a ‘Heavy Monsoon State’ is defined as a state with actual rainfall from June-August, 2019 of 900 mm or more, then approximately what percentage of ‘Heavy Monsoon States’ have a negative deviation from respective LPAs in 2019?
Updated On: Aug 20, 2024
- 14.29
- 57.14
- 42.86
- 75.00
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The Correct Option is C
Solution and Explanation
The actual rainfall in 2019 and the Long Period
Average (LPA) for the different states are as follows.
The heavy monsoon states are Maharashtra, Sikkim, Mizoram, Goa, Arunachal, Kerala, and Meghalaya. Among these, Arunachal, Kerala, and Meghalaya have a negative deviation from their respective Long Period Averages (LPAs) in 2019. The required percentage is 42.86%.
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Question: 2
If a ‘Low Monsoon State’ is defined as a state with actual rainfall from June-August,2019 of 750 mm or less, then what is the median ‘deviation from LPA’ (as defined in the Y-axis of the figure) of ‘Low Monsoon States’?
If a ‘Low Monsoon State’ is defined as a state with actual rainfall from June-August,2019 of 750 mm or less, then what is the median ‘deviation from LPA’ (as defined in the Y-axis of the figure) of ‘Low Monsoon States’?
Updated On: Aug 20, 2024
- -10%
- -30%
- -20%
- 10%
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The Correct Option is A
Solution and Explanation
The actual rainfall in 2019 and the Long Period
Average (LPA) for the different states are as follows.
The Low monsoon states are Gujarat, Karnataka, Rajasthan, Madhya Pradesh (MP), Assam, West Bengal (WB), Jharkhand, Delhi, and Manipur. The deviation from Long Period Average (LPA) for these states are 25, 20, 15, 10, -10, -30, -35, -40, and -60.
The median value is -10.
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Question: 3
What is the average rainfall of all states that have actual rainfall of 600 mm or less in 2019 and have a negative deviation from LPA?
What is the average rainfall of all states that have actual rainfall of 600 mm or less in 2019 and have a negative deviation from LPA?
Updated On: Aug 20, 2024
- 500 mm
- 460 mm
- 367 mm
- 450 mm
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The Correct Option is B
Solution and Explanation
The actual rainfall in 2019 and the Long Period
Average (LPA) for the different states are as follows.
The states with a negative deviation from Long Period Average (LPA) and actual rainfall of 600 mm or less are Assam, West Bengal (WB), Jharkhand, Delhi, and Manipur. The average rainfall in these states is calculated as follows.
\(\frac{2300}{5}=460mm\)
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Question: 4
The LPA of a state for a year is defined as the average rainfall in the preceding 10 years considering the period of June-August. For example, LPA in 2018 is the average rainfall during 2009-2018 and LPA in 2019 is the average rainfall during 2010-2019. It is also observed that the actual rainfall in Gujarat in 2019 is 20% more than the rainfall in 2009. The LPA of Gujarat in 2019 is closest to
The LPA of a state for a year is defined as the average rainfall in the preceding 10 years considering the period of June-August. For example, LPA in 2018 is the average rainfall during 2009-2018 and LPA in 2019 is the average rainfall during 2010-2019. It is also observed that the actual rainfall in Gujarat in 2019 is 20% more than the rainfall in 2009. The LPA of Gujarat in 2019 is closest to
Updated On: Aug 20, 2024
- 525mm
- 490mm
- 475mm
- 505mm
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The Correct Option is B
Solution and Explanation
The actual rainfall in 2019 and the Long Period
Average (LPA) for the different states are as follows.
The actual rainfall in Gujarat in 2019 is 600 mm. The rainfall in Gujarat in 2009 was 500 mm. If the value of 500 is replaced by 600 in calculating the Long Period Average (LPA), the LPA would increase by 10, as it is the average of 10 years. Therefore, the adjusted LPA is 490 mm.
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