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How many numbers are there between 100 and 300 which either begin with or end with 2?

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, the biggest challenge to world agriculture is:

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 5.5 m x 4 m x 6 m. How much portion of the underground tank is still filled with water after filling the overhead tank completely?

In a class of 60 students, where the number of girls is twice that of boys, Kamal, a boy, ranked seventeenth from the top. If there are 9 girls ahead of Kamal, the number of boys in rank after him is:

A and B walk around a circular park. They start at 8 a.m. from the same point in the opposite directions. A and B walk at a speed of 2 rounds per hour and 3 rounds per hour respectively. How many times shall they cross each other after 8.00 a.m. and before 9.30 a.m.?

W can do 25% of a work in 30 days, X can do 1/4 of the work in 10 days, Y can do 40% of the work in 40 days and Z can do 1/3 of the work in 13 days. Who will complete the work first?

The average monthly income of a person in a certain family of 5 is Rs. 10,000. What will be the average monthly income of a person in the same family if the income of one person increased by Rs. 1,20,000 per year?

In a race, a competitor has to collect 6 apples which are kept in a straight line on a track and a bucket is placed at the beginning of the track which is a starting point. The condition is that the competitor can pick only one apple at a time, run back with it and drop it in the bucket. If he has to drop all the apples in the bucket, how much total distance he has to run if the bucket is 5 meters from the first apple and all other apples are placed 3 meters apart?

A round archery target of diameter 1 m is marked with four scoring regions from the centre outwards as red, blue, yellow and white. The radius of the red band is 0.20 m. The width of all the remaining bands is equal. If archers throw arrows towards the target, what is the probability that the arrows fall in the red region of the archery target?

A person allows a 10% discount for cash payment from the marked price of a toy and still he makes a 10% gain. What is the cost price of the toy which is marked Rs. 770?

(a) Sociology is pre-eminently study of modern societies. Discuss. (b) What is 'value-free sociology'? Clarify. (c) Analyze the importance of qualitative method in social research. (d) Evaluate Marx's ideas on mode of production. (e) Vertical mobility brings structural change even in a closed social system. Comment.

(a) Elucidate the basic premises of Davis' structural-functional theory of social stratification. How far is it relevant in understanding contemporary Indian society? (b) Describe the functional prerequisites of social system as given by Talcott Parsons. Examine in the context of a university as a social system. (c) Is sociology common sense? Give reasons in support of your argument.