Questions

Calculate the time period (in seconds) of a sound wave of wavelength 5m travelling with a speed of 500 m/s.

Bacteria, blue-green algae or cyanobacteria and mycoplasma are examples of organisms of which kingdom?

As per Economic survey 2017-18, the percentage contribution of the services sector to India's GDP will be in the range of

India  signed  an  agreement  in  2016  to develop   a   strategic   port   in   one   of   its neighbouring  countries.  What  is  the  name of the port?

In the following question, out of the four alternatives, select the alternative which best expresses the meaning of the idiom/phrase.

Necessity is the mother of invention

Two football players A and B from opposing teams start from the same corner. A runs 35 m East, then 15 m South, turns to his right and runs 60 m.Meanwhile B runs 20 m North, then 25 m West, turns left and runs 20 m. What is the position of B with respect to A?

In the following question, some part of the sentence may have errors. Find out which part of the sentence has an error and select the appropriate option. If a sentence is free from error, select 'No Error'.
If it would (1)/ rain, they will (2)/not come. (3)/ No Error (4)

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.

Juhi said to her friend, "I can choose to live the way I want to."