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Directions(28 – 30): Find out the missing number in the series.
12      12       18         45          180        1170       ?
  • a)
    12285
  • b)
    10530
  • c)
    11700
  • d)
    12870
  • e)
    7605
Correct answer is option 'A'. Can you explain this answer?
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Directions(28– 30): Find out the missing number in the series.12...
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Directions(28– 30): Find out the missing number in the series.12...
)-32): Read the following passage carefully and answer the questions given below it.

The world is facing a crisis of water scarcity. With the increase in population and rapid industrialisation, water consumption has increased manifold. Many countries are already facing water scarcity, and the situation is only going to worsen if we do not take immediate action. The United Nations predicts that by 2025, half of the world's population will be living in water-stressed areas.

One of the primary reasons for water scarcity is the inefficient use of water. Most of the water is used for irrigation, and a significant amount of it is wasted due to outdated and inefficient irrigation methods. Similarly, the industrial sector is also a significant consumer of water. The manufacturing process of goods requires a lot of water, and most industries do not have proper water management systems in place.

Another factor contributing to water scarcity is climate change. The changing weather patterns have led to a decrease in rainfall in many areas, making it difficult to meet the demand for water. The situation is further aggravated by deforestation, which leads to soil erosion and reduces the amount of water that can be absorbed by the soil.

To tackle the issue of water scarcity, we need to adopt a multi-pronged approach. Firstly, we need to promote water conservation and educate people about the efficient use of water. Secondly, we need to invest in new technology and irrigation methods that are more water-efficient. Thirdly, we need to implement proper water management systems in industries and ensure that they follow the guidelines.

Moreover, we need to take steps to mitigate climate change by reducing greenhouse gas emissions and promoting afforestation. We also need to focus on rainwater harvesting and groundwater recharge to increase the availability of water.

In conclusion, water scarcity is a pressing issue that needs immediate attention. We need to come together as a society and take concerted efforts to address this issue. The future of our planet depends on it.

28. What is the reason for the crisis of water scarcity?

29. What will be the situation of the world's population by 2025, as per the United Nations?

30. What is the primary reason for water wastage?

31. What steps can be taken to tackle the issue of water scarcity?

32. What is the conclusion of the passage?

28. The crisis of water scarcity is caused by the increase in population and rapid industrialisation, leading to a manifold increase in water consumption.

29. The United Nations predicts that by 2025, half of the world's population will be living in water-stressed areas.

30. The primary reason for water wastage is the inefficient use of water, with outdated and inefficient irrigation methods being responsible for a significant amount of water wastage.

31. To tackle the issue of water scarcity, a multi-pronged approach needs to be adopted. Steps such as promoting water conservation, investing in new technology and irrigation methods, implementing proper water management systems in industries, reducing greenhouse gas emissions, promoting afforestation, rainwater harvesting, and groundwater recharge can help tackle this issue.

32. The conclusion of the passage is that water scarcity is a pressing issue that needs immediate attention. We need to come together as a society and take concerted efforts to address this issue, as the future of our planet depends on it.
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Directions(28– 30): Find out the missing number in the series.12 12 18 45 180 1170 ?a)12285b)10530c)11700d)12870e)7605Correct answer is option 'A'. Can you explain this answer?
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