Exams

What is the value of [2 sin (45 + θ) sin (45 – θ)]/cos 2θ?

The question below consists of a set of labelled sentences. These sentences, when properly sequenced form a coherent paragraph. Select the most logical order of sentences from among the options.

P: All these ensure that the world we live in grows a new skin every few years.
Q: These influences do, of course, work on humankind but they have the greatest impact on that section of society which is on the threshold of discovery-discovery of the self, of life and of living.
R: The life and times of two generations cannot be identical or even similar, thanks to modern research, progress in science, faster and easier communications and even distasteful things like inflation and population explosion.
S: These changes in due course affect our thinking and influence our attitudes, expectations, behavioural patterns and values.

_________ affect the rate of humus formation of soil.

The weights of 4 boxes are 30, 20, 50 and 90 kilograms. Which of the following cannot be the total weight, in kilograms, of any combination of these boxes and in a combination a box can be used only once?

Polycot is a mixture of which among the following?

In simple interest rate per annum a certain sum amounts to Rs. 5,182 in 2 years and Rs. 5,832 in 3 years. The principal in rupees is

When is International day for Preservation of Ozone layer observed?

The mean of 10 observations is 17. One more observation is included and the new mean becomes 16. The 11th observation is