What is the critical message conveyed by the above passage?

Which among the following is the most logical assumption that can be made from the above passage?

In the above statement, the author implies that:

Which among the following is the most logical corollary to the above passage ?

According to the above passage, which of, the following are the fundamental solutions for the world food security problem?
1. Setting up more agro-based industries
2. Improving the price affordability by the poor
3. Regulating the conditions of marketing
4. Providing food subsidy to one and all
Select the correct answer using the code given below:

According to the above passage, the biggest challenge to world agriculture is:

According to the above passage, which of the following helps/help in reducing hunger and starvation in the developing economies ?
1. Balancing demand and supply of food
2. Increasing imports of food
3. creasing purchasing power of the poor
4. Changing the food consumption patterns and practices
Select the correct answer using the code given below:

The issue of worldwide supply of food has gained importance mainly because of:
1. overgrowth of the population worldwide
2. sharp decline in the area of food production
3. limitation in the capabilities for sustained supply of food
Select the correct answer using the code given below:

Four-digit numbers are to be formed using the digits 1, 2, 3 and 4; and none of these four digits are repeated in any manner. Further,
1. 2 and 3 are not to immediately follow each other
2. 1 is not to be immediately followed by 3
3. 4 is not to appear at the last place
4. 1 is not to appear at the first place
How many different numbers can be formed?

A cylindrical overhead tank of radius 2 m and height 7 m is to be filled from an underground tank of size 5.5m x 4m x 6m. How much portion of the underground tank is still filled with water after filling the overhead tank completely?