CBSE Class 8 Mathematics A Story of Numbers MCQs Set 05

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

Answer: B

Question. Arithmetic properties of zero were explicitly used by.
(a) Fibonacci
(b) Aryabhata
(c) Al-Kindi
(d) Laplace

Answer: B

Question. Use of 0 as a number like any other was codified by.
(a) Aryabhata
(b) Brahmagupta
(c) Fibonacci
(d) Al-Khwarizmi

Answer: B

Question. Egyptian landmark numbers are all based on powers of
(a) 2
(b) 5
(c) 10
(d) 20

Answer: C

Question. In Egyptian system, the symbol | stands for
(a) 1
(b) 10
(c) 100
(d) 5

Answer: A

Question. Landmark numbers of a base-n system are the powers of
(a) n
(b) 10
(c) 0
(d) 1

Answer: A

Question. Which mathematician was the first to fully explain and do elaborate scientific computations with the Indian system of 10 symbols around 499 CE?
(a) Fibonacci
(b) Aryabhata
(c) Brahmagupta
(d) Al-Khwarizmi

Answer: B

Question. Simple process of multiplication is easier if landmark numbers are
(a) Random
(b) Powers of a number
(c) Very small
(d) Names only

Answer: B

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

Answer: C

Question. Place value system gives elegant solution to representing.
(a) Only small numbers
(b) Unending sequence of numbers
(c) Only number zero
(d) Only number ten

Answer: B

Question. Landmark numbers are easily recognizable and used as
(a) Paper
(b) Reference points
(c) Toys
(d) Food

Answer: B

Question. Roman symbol for 500 is
(a) C
(b) D
(c) M
(d) L

Answer: B

Question. In Mesopotamian numerals, the rightmost symbols show the number of
(a) 60s
(b) 1s
(c) 3600s
(d) 10s

Answer: B

Question. What is a one-to-one mapping in the context of counting?
(a) Grouping objects into sets of ten
(b) Associating each object with a unique stick, such that no two objects share the same stick
(c) Counting objects using a sequence of sounds
(d) Associating all objects with a single stick

Answer: B

Question. System where symbol position decides its landmark value is called
(a) Simple system
(b) Tally system
(c) Positional number system
(d) Name system

Answer: C

Question. Positional number system is another name for
(a) Base system
(b) Place value system
(c) Rod system
(d) One-to-one mapping

Answer: B

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

Answer: C

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

Answer: B

Question. Modern Hindu number system is a
(a) Tally system
(b) Place value system
(c) Rod system
(d) Sign system

Answer: B

Question. Total symbols used in Hindu number system are
(a) 5
(b) 9
(c) 10
(d) Infinite

Answer: C