CBSE Class 8 Mathematics A Square and A Cube MCQs Set A

Question. What type of numbers will remain open in the 100-locker puzzle described in the will?
(a) Even numbers
(b) Prime numbers
(c) Square numbers
(d) Odd numbers

Answer: C

Question. Each prime factor of a perfect cube must appear.
(a) 2 times
(b) 3 times
(c) 4 times
(d) only once

Answer: B

Question. According to the puzzle, how can Khoisnam claim the entire inheritance of ratnas?
(a) By finding the code to the fortune first
(b) By being the first one to solve the problem
(c) By answering the puzzle at the same time as everyone else
(d) By toggling all the lockers himself

Answer: B

Question. The first list of squares was made by Babylonians in.
(a) 499 CE
(b) 628 CE
(c) 1700 BCE
(d) 1900 CE

Answer: C

Question. Fourth power was known as.
(a) varga-ghana
(b) varga-varga
(c) ghana-mula
(d) varga-mula

Answer: B

Question. Aryabhata wrote his mathematical rules in the year.
(a) 628 CE
(b) 1700 BCE
(c) 499 CE
(d) 2024

Answer: C

Question. What is observed about the number of zeros at the end of a perfect square?
(a) It must be an even number.
(b) It depends on the square root.
(c) It must be an odd number.
(d) It can be any number.

Answer: A

Question. In ancient Sanskrit, the square power was called.
(a) ghana
(b) varga
(c) mula
(d) pada

Answer: B

Question. The number of times a locker is toggled is equivalent to what?
(a) The locker number itself
(b) The locker number divided by 100
(c) The sum of its digits
(d) The number of factors of the locker number

Answer: D

Question. Product of a number with itself three times is called.
(a) varga
(b) ghana
(c) krti
(d) varga-varga

Answer: B

Question. How many integer square roots does every perfect square have?
(a) One
(b) Two
(c) Three
(d) Zero

Answer: B

Question. Another term for root used by Brahmagupta was.
(a) varga
(b) pada
(c) ghana
(d) krti

Answer: B

Question. Sanskrit word "mula" means.
(a) fruit of a plant
(b) root of a plant
(c) leaf of a plant
(d) flower of a plant

Answer: B

Question. Hardy said the number 1729 was a.
(a) very lucky number
(b) very interesting number
(c) dull number
(d) prime number

Answer: C

Question. Ramanujan said 1729 is the smallest number that is the sum of two cubes in.
(a) one way
(b) two different ways
(c) three ways
(d) no way

Answer: B

Question. 7 + 9 + 11 is the cube of which number?
(a) 2
(b) 3
(c) 4
(d) 5

Answer: B

Question. Factors of a perfect square can be split into.
(a) two identical groups
(b) three identical groups
(c) four groups
(d) five groups

Answer: A

Question. Arabic word for the root of a plant is.
(a) radix
(b) jidhr
(c) mula
(d) pada

Answer: B

Question. Latin word for the root of a plant is.
(a) jidhr
(b) mula
(c) radix
(d) pada

Answer: C