Exams

Any integer 'i' can be written as i = i/1, which is a rational number. Clearly, 7/2,-5/4, etc... are rational numbers but they are not integers.

Hence, from the above analysis, every integer is a rational number but a rational number need not be an integer.

Therefore the given statement that 'Every rational number is an integer' is FALSE.

True, the given statement that Carbon in the ocean originates from the atmosphere is absolutely correct. Carbondi oxide in the atmosphere is absobed by the ocean surface and is dissolved as inorganic carbon in the oceans.

The computers microprocessor speed depends on all the factors like clock speed, bandwidth and the number of instructions it processes.

The antagonist is the negative or opposing force in a story.

It could be a human enemy, or it could be non-human, like an animal or something less tangible, like fear.

The antagonist plays an important role in story development.

Replication of the DNA does not occur during Mitosis.

The given sentence 21 is 35 of what number means that 

21 is 35 % of what number

Let that number be P

=> 35P/100 = 21

35P = 2100

P = 2100/35 = 300/5 = 60

Hence, 21 is 35 of 60.