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CUBE & CUBE ROOTS Class VIII
Quiz 1 Made by Mrs. Pintu Prasad
Choose the correct answer.
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1. The one’s digit of the cube of 23 is
2 points
(a) 6
(b) 7
(c) 3
(d) 9
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2. If m is the cube root of n, then n is
2 points
(a) 243
(b) 216
(c) 392
(d) 8640
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3. Which of the following numbers is not a perfect cube?
2 points
(a) 216
(b) 567
(c) 125
(d) 343
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4. If m is the cube root of n, then n is
2 points
Option 1
Option 2
Option 3
Option 4
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5. The cube of a negative integer is ----------- the integer
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(a) greater than
(b) less than
(c) equal to
(d) 3 times
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6. The number among the following that is both a perfect square and a perfect cube is
2 points
(a) 16
(b) 125
(c) 256
(d) 64
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7. The number by which 40000 should be divided to make a perfect cube is
2 points
(a) 100
(b) 40
(c) 4
(d) 10
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8. The statement that is false among the following is
2 points
(a) The cube of an even natural number is even
(b) The cube of an odd natural number is odd
(c) The ones digit in the cube root of 5832 is 8
(d) The cube root of a negative number is positive
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9. The value of
2 points
(a) 20
(b) 10
(c) -10
(d) 5
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10 . What is
2 points
(a)0.008
(b) 0.08
(c) 0.8
(d) 0.0008
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