CBSE Class 8 Mathematics Cubes and Cube Roots MCQs Set A with answers available in Pdf for free download. The MCQ Questions for Class 8 Cubes and Cube Roots with answers have been prepared as per the latest syllabus, NCERT books and examination pattern suggested in Standard 8 by CBSE, NCERT and KVS. Multiple Choice Questions are an important part of Term 1 and Term 2 exams for Grade 8 Cubes and Cube Roots and if practiced properly can help you to get higher marks. Refer to more Chapter-wise MCQs for NCERT Class 8 Cubes and Cube Roots and also download more latest study material for all subjects
Cubes and Cube Roots Class 8 MCQ
Class 8 Cubes and Cube Roots students should refer to the following multiple-choice questions with answers for Cubes and Cube Roots in standard 8. These MCQ questions with answers for Grade 8 Cubes and Cube Roots will come in exams and help you to score good marks
Class 8 Cubes and Cube Roots MCQ Questions with Answers
CHAPTER –7. CUBES & CUBE ROOTS.
Put a tick mark(√) on the correct answer :
Q1.Which of the following numbers must be subtracted from 345 to get a perfect cube ?
(i) 121 (ii) 131 (iii) 2 (iv) 24
Q2.Which of the following numbers is a perfect cube ?
(i) 343 (ii) 443 (iii) 543 (iv) 643
Q3.Which of the following numbers must be multiplied to 392 to get a perfect cube ?
(i) 2 (ii) 3 (iii4 (iv) 7
Q4. By which of the following numbers 10648 must be divided to get a perfect cube ?
(i) 2 (ii) 4 (iii) 5 (iv) 7
Q5.What is the volume of a cube whose each side is 4cm ?
(i) 24cm3 (ii) 48 cm3 (iii) 64 cm3 (iv) 125 cm3
More Questions...........................
Question: The value of 3√343 X 3√−64 is
- a) –28
- b) –18
- c) 28
- d) 18
Answer: –28
Question: The length of each side of the cubical box is 2.4 m. Its volume is
- a) 13.824 cu m
- b) 13.824 cu cm
- c) 13.824 cm2
- d) None of these
Answer: 13.824 cu m
Question: The cube of a number is 8 times the cube of another number. If the sum of the cubes of numbers is 243, the difference of the numbers is
- a) 3
- b) 6
- c) 4
- d) none
Answer: 3
Question: The square of a natural number subtracted from its cube is 48. The number is
- a) 4
- b) 6
- c) 5
- d) 8
Answer: 4
Question: Which of the following numbers are perfect cubes?
- a) 343
- b) 5324
- c) 108
- d) 243
Answer: 343
Question: Which of the following are the cubes of even natural numbers?
- a) 13824
- b) 3375
- c) 729
- d) 1331
Answer: 13824
Question: Which of the following are the cubes of odd natural numbers?
- a) 6859
- b) 32768
- c) 4096
- d) 1728
Answer: 6859
Question: The cube root of 0.001728 is
- a) 0.12
- b) 12
- c) 1.2
- d) none
Answer: 0.12
Question: Choose the correct statement
- a) All the above
- b) Cubes of even natural numbers are even
- c) Cubes of negative integers are negative
- d) Cubes of odd natural numbers are odd
Answer: All the above
Question: If 72K is a perfect cube, then the value of K is
- a) 3
- b) 1
- c) 2
- d) 4
Answer: 3
Question:
The cube root of 272 is
- a) 9
- b) 27
- c) 3
- d) none
Answer: 9
Question: The cube of 0.9 is
- a) 0.729
- b) none
- c) 72.9
- d) 7.29
Answer: 0.729
Question: The number which is not a perfect cube among the following is
- a) 243
- b) 1331
- c) 216
- d) 512
Answer: 243
Question: The smallest number by which 2560 must be multiplied so that the product is a perfect cube is
- a) 25
- b) 15
- c) 5
- d) 10
Answer: 25
Question: The smallest number by which 8788 must be divided so that the quotient is a perfect cube is
- a) 4
- b) 16
- c) 12
- d) 32
Answer: 4
Question: The cube root of 1.331 is
- a) 1.1
- b) 0.011
- c) 0.11
- d) 11
Answer: 1.1
Question: Two cubes have volume in the ratio 1 : 27. The ratio of the area of the face of one to that of the other is
- a) 1 : 9
- b) 1 : 3
- c) 1 : 6
- d) 1 : 18
Answer: 1 : 9
Question: By what least number must 21600 be multiplied to make it a perfect cube?
- a) 10
- b) 60
- c) 6
- d) 30
Answer: 10
Question: The smallest number by which 392 must be multiplied so that the product is a perfect cube is
- a) 7
- b) 3
- c) 9
- d) 5
Answer: 7
Question: How many small cubes with edges of 10 cm can be just accommodated in a cubical box of 1 m edge?
- a) 1000
- b) 10
- c) 100
- d) 10000
Answer: 1000
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