Exams

Which of the following is correct?

The radius of a sphere is 6 cm. It is melted and drawn into a wire of radius 0.2 cm. The length of the wire is

x, y and z are real numbers. If x3 + y3 + z3 = 13, x + y + z = 1 and xyz = 1, then what is the value of xy + yz + zx?

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’.

Acquired immunity is the result of an (1)/ interaction with our new environment and (2)/ proper digestion of all that we take off. (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.

The student said, "I must study hard."

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'.

Stringent penalties have a lower chance (1)/ of being imposed, as compared to fines that (2)/ are proportionate to the offend. (3)/ No error. (4)

In the following question, the sentence given with blank to be filled in with an appropriate word. Select the correct alternative out of the four and indicate it by selecting the appropriate option.

I ________ to return by the 3rd of the month.

Musa paradisiaca is the scientific name of which plant?