Questions

Sphalerite is an ore/mineral of

In the modern periodic table, which of the two periods contain 8 elements each?

In a market system, the central problems regarding how much and what to produce are solved through the coordination of economic activities brought about by ________ signals.

Which is the form of market where there is lack of competition?

In the following question, a sentence has been given in Active/Passive voice. Out of four alternatives suggested, select the one which best expresses the same sentence in Passive/Active voice.

My father is going to build a six bedroom bungalow.

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'.
I finished my household chores (1)/ before he reached (2)/ to my place after so long. (3)/ No Error (4)

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'.
I am vexed at him (1)/ for what all he has (2)/ done for him till date. (3)/ No Error (4)

In the following question, out of the given four alternatives, select the one which best expresses the meaning of the given word.

Farcical