
A
A finite number is one that can be counted fully and to the end, if there is enough time.
B & C Incorrect. Because they are, in fact, infinite.
D. Incorrect. Does not seem logical.
E. Incorrect.

E
If a ‘hottentot’ has neither beads nor coins left over at the end of a comparison, he knows that he has an equal number of both.
A. Incorrect.
B. Incorrect. It is not true as he can only count up to three.
C. Incorrect. This may not be true.
D. Incorrect. We have no evidence for this.

A
A certain method of comparing two numbers. This is an inference.
B. Incorrect. Because it is a fact.
C. Incorrect. It is not accurate.
D. Incorrect. It is not true.
E. Incorrect.

B
Comparison of two Infinities.
A. Incorrect. It is a little broad.
C, D & E Incorrect.

D
The numbers that we can write down are clearly not infinite.

D
Metrologists are scientists who study weights and measures.
A. Incorrect. It is not correct as these are meteorologists.
B, C & E Incorrect.

A
It is a model.
B. Incorrect. Criteria are standards by which something is judged.
C. A cylinder is a geometrical figure.
D. A display is an exhibition.
E. Incorrect. It is a unit of length.

C
The author means that the measurement is inaccurate.

C
It has not been possible to reconstruct a kilogram in perfect conditions. All the other explanations are not accurate.

B
It means unnecessary.
A. Incorrect. It means not producing the right result.
B. Incorrect.
C. Incorrect. It means something which is repetitive.

D
The most suitable title is ‘Defining a kilogram in terms of natural phenomena.’
A. Incorrect. It relates to only one fact in the passage.
B & E Incorrect. It is too broad.
C. Incorrect. It is inaccurate.

B.
The comparison of infinite numbers is possible but not the accurate depiction of a kilogram.
A. Incorrect. It is not true.
C. Incorrect.
D. Incorrect. The statement is not logical.

D
Because the writer does not pose a question.