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Question

Study the table and answer the question that follows.

 

 Year 
State200020052015
Himachal Pradesh11090150
Uttar Pradesh1208590
Madhya Pradesh906580
Andhra Pradesh557565
Tamil Nadu15090115

Which state has the maximum percentage decrease in annual rainfall between the years 2000 and 2015?

This question was previously asked in
RRB NTPC 2019 CBT 1 Question Paper (8-Mar-2021) (Shift 2)
The correct answer is
Uttar Pradesh

Calculating Rainfall Percentage Decrease

To find the state with the maximum percentage decrease in annual rainfall between 2000 and 2015, we need to calculate the percentage change for each state listed.

Rainfall Decrease Formula

The formula for calculating percentage decrease is:

$ \text{Percentage Decrease} = \frac{(\text{Rainfall}_{2000} - \text{Rainfall}_{2015})}{\text{Rainfall}_{2000}} \times 100\% $

Where:

  • $Rainfall2000$ is the annual rainfall in the year 2000.
  • $Rainfall2015$ is the annual rainfall in the year 2015.

Applying the Formula to States

This calculation needs to be performed for each state mentioned:

  • Tamil Nadu: Calculate percentage decrease using its 2000 and 2015 rainfall data.
  • Uttar Pradesh: Calculate percentage decrease using its 2000 and 2015 rainfall data.
  • Andhra Pradesh: Calculate percentage decrease using its 2000 and 2015 rainfall data.
  • Madhya Pradesh: Calculate percentage decrease using its 2000 and 2015 rainfall data.

Identifying Maximum Decrease

After calculating the percentage decrease for all four states, compare the results. The state that shows the highest positive percentage value indicates the largest decrease in annual rainfall over the specified period.

Based on available data analysis for the period 2000-2015, Uttar Pradesh exhibited the largest percentage reduction in annual rainfall compared to the other states.

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Important Questions from Tabulation

  1. What is the ratio of total number of patients recovered from covid-19 in April to total number of patients recovered from covid-19 in March?

  2. In which state, the number of patients who recovered from covid-19 steadily decreasing?

  3. What is the average number of patients who recovered from Covid-19 in Madhya Pradesh in four months?

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