Questions

There are 15 protons and 22 neutrons in the nucleus of an element. What is its mass number?

Which of the following is NOT a property of acids?

Which of the following vitamins help in the absorption of calcium?

Which of the following is not correct?

In the following question, a sentence has been given in Direct/Indirect speech. Out of the four alternatives suggested, select the one which best expresses the same sentence in Indirect/Direct speech.
Neha said, "Need I write a letter?"

If Reserve Bank of India reduces the cash reserve ratio, it will :

The collection of all possible combinations of the goods and services that can be produced from a given amount of resources and a given stock of technological knowledge is called the ____________ of the economy.

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: Therefore, these are products of the thinking by sages and not products of every man’s nature.
Q: A person’s behaviour evolves through conscious evolution.
R: When a potter pounds the clay and makes a vessel, it is the product of the artisan’s activity, not of his nature.
S: The sages observed activities and gathered ideas and thoughts, and thereafter introduced principles of propriety and righteousness and instituted laws and
systems.