CBSE Class 8 Mathematics A Story of Numbers MCQs Set 06

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