Questions

If cos(A-B) - cos(A+B) = x, then the value of x is

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

Which of the following e-commerce majors has signed an agreement with NIESBUD for encouraging SMEs to grow profitably online?

Acacia arabica is the scientific name of

Where do plants synthesize protein from?

In the following question, out of the four alternatives, select the alternative which will improve the bracketed part of the sentence. In case no improvement is needed, select "no improvement".

The music (soothe) me and I stroll on happily.

Granite is an example of

'Akash' developed by DRDO is