CBSE Class 8 Mathematics A Story of Numbers MCQs Set F

Question. What tool did people using the Roman system employ to perform arithmetic operations?
(a) Abacus
(b) Slide rule
(c) Counting board
(d) Calculator

Answer: A

Question. In India, symbol for 0 was used as early as
(a) 2000 CE
(b) 200 BCE
(c) 1500 CE
(d) 1000 CE

Answer: B

Question. Status of zero as a number in its own right was given in
(a) Europe
(b) Indian mathematics
(c) China
(d) Egypt

Answer: B

Question. Chinese rod numerals were used for performing
(a) Drawings
(b) Computations
(c) Stories
(d) Mapping

Answer: B

Question. The base-60 system is also called the
(a) Decimal system
(b) Sexagesimal system
(c) Binary system
(d) Place value

Answer: B

Question. Size of the third landmark number in base-10 system is
(a) 10
(b) 100
(c) 1000
(d) 1

Answer: B

Question. If the first landmark is 1 and next is 5, it is called a
(a) Base-10 system
(b) Base-5 system
(c) Roman system
(d) Indian system

Answer: B

Question. If a, b, c, ….., z are used as tokens for one-to-one mapping, the largest number that can be counted is
(a) 25
(b) 26
(c) 100
(d) any number can be counted

Answer: C

Question. Value of 5 power 2 in base-5 system is
(a) 10
(b) 25
(c) 50
(d) 5

Answer: B

Question. Base-10 number system is also called the
(a) Binary system
(b) Decimal system
(c) Tallies
(d) Roman system

Answer: B

Question. Influence of base-60 is still seen in measurement of
(a) Weight
(b) Distance
(c) Time
(d) Height

Answer: C

Question. Chinese rod system was which type of system?
(a) Base-60
(b) Base-10
(c) Base-20
(d) Base-5

Answer: B

Question. In Chinese system, units and hundreds are represented by
(a) Hengs
(b) Zongs
(c) Dots
(d) Shells

Answer: B

Question. In Chinese system, tens and thousands are represented by
(a) Zongs
(b) Hengs
(c) Bars
(d) Wedges

Answer: B

Question. The Mesopotamian number system later became a base-60 system, also known as what?
(a) Sexagesimal system
(b) Binary system
(c) Quinary system
(d) Decimal system

Answer: A

Question. Skipping a place value in Chinese rods was shown by a
(a) Zero
(b) Blank space
(c) Cross
(d) Circle

Answer: B

Question. Arithmetic property that 0 plus any number is the same was used by
(a) Fibonacci
(b) Aryabhata
(c) Al-Kindi
(d) Laplace

Answer: B

Question. Rules for operations on zero were codified by Brahmagupta in
(a) 200 BCE
(b) 499 CE
(c) 628 CE
(d) 1200 CE

Answer: C

Question. Book written by Brahmagupta is called
(a) Aryabhatiya
(b) Brahmasphutasiddhanta
(c) On Hindu Numerals
(d) Algorithm

Answer: B

Question. If we had only 8 fingers, we might have used
(a) Base 10
(b) Base 8
(c) Base 5
(d) Base 2

Answer: B