CBSE Class 8 Mathematics A Story of Numbers MCQs Set B

Question. System of numerals used throughout the world today is.
(a) Roman system
(b) Hindu number system
(c) Mayan system
(d) Egyptian system

Answer: B

Question. Indian number system originated around how many years ago?
(a) 500 years
(b) 1000 years
(c) 2000 years
(d) 5000 years

Answer: C

Question. In the Roman system, 1000 is represented by the numeral.
(a) C
(b) D
(c) M
(d) L

Answer: C

Question. The value of numeral C in Roman system is.
(a) 50
(b) 100
(c) 500
(d) 1000

Answer: B

Question. A base-10 number system is also known as.
(a) Binary system
(b) Decimal system
(c) Sexagesimal system
(d) Rod system

Answer: B

Question. Landmark numbers of a base-n system are the.
(a) Sums of n
(b) Powers of n
(c) Differences of n
(d) Names of n

Answer: B

Question. Advantage of base-n system is seen while performing.
(a) Drawing
(b) Arithmetic operations
(c) Writing names
(d) Mapping cows

Answer: B

Question. Multiplication process is simplified when landmark numbers are.
(a) Random
(b) Small
(c) Powers of a number
(d) Hard to write

Answer: C

Question. Zero is the symbol that shows.
(a) Everything
(b) Nothingness
(c) Ten
(d) Many

Answer: B

Question. Mayan civilization flourished in.
(a) India
(b) Iraq
(c) Central America
(d) China

Answer: C

Question. What is the Egyptian number system classified as?
(a) A base-20 system
(b) A base-10 system
(c) A base-60 system
(d) A base-5 system

Answer: B

Question. Mayan placeholder symbol for zero looked like a.
(a) Dot
(b) Bar
(c) Seashell
(d) Star

Answer: C

Question. Mesopotamian system in later times used which base?
(a) 10
(b) 20
(c) 60
(d) 100

Answer: C

Question. The sexagesimal system is another name for.
(a) Base-10 system
(b) Base-60 system
(c) Base-20 system
(d) Base-5 system

Answer: B

Question. Mesopotamian influence is seen today in measurement of.
(a) Weight
(b) Time
(c) Height
(d) Distance

Answer: B

Question. Mesopotamian system symbol for 10 is a.
(a) Dot
(b) Horizontal wedge
(c) Bar
(d) Shell

Answer: B

Question. Performance of arithmetic operations like multiplication is not easy in.
(a) Hindu system
(b) Roman system
(c) Base-10 system
(d) Modern system

Answer: B

Question. What is an obvious limitation of using only the letters of the English alphabet (Method 2) to represent numbers?
(a) It is not convenient for verbal representation.
(b) It cannot be used to count collections having more than 26 objects.
(c) It requires new symbols for every number.
(d) It is difficult to write large numbers.

Answer: B

Question. Tool used by people using Roman system for calculation is called.
(a) Abacus
(b) Calculator
(c) Stick
(d) Bone

Answer: A

Question. The Egyptian number system was developed around.
(a) 1000 BCE
(b) 2000 BCE
(c) 3000 BCE
(d) 4000 BCE

Answer: C