Square root and Cube root Questions and Answers

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Showing 10 of 25 questions
Q11
What is the cube root of 216?
  • A 5
  • B 6
  • C 7
  • D 8
Answer: Option B
Explanation: 6 multiplied by 6 multiplied by 6 equals 216, so the cube root is 6.
Q12
What is the square root of 256?
  • A 14
  • B 15
  • C 16
  • D 17
Answer: Option C
Explanation: 16 multiplied by 16 equals 256, so the square root is 16.
Q13
What is the cube root of 343?
  • A 6
  • B 7
  • C 8
  • D 9
Answer: Option B
Explanation: 7 multiplied by 7 multiplied by 7 equals 343, so the cube root is 7.
Q14
What is the square root of 324?
  • A 16
  • B 17
  • C 18
  • D 19
Answer: Option C
Explanation: 18 multiplied by 18 equals 324, so the square root is 18.
Q15
What is the cube root of 512?
  • A 7
  • B 8
  • C 9
  • D 10
Answer: Option B
Explanation: 8 multiplied by 8 multiplied by 8 equals 512, so the cube root is 8.
Q16
What is the square root of 400?
  • A 18
  • B 19
  • C 20
  • D 21
Answer: Option C
Explanation: 20 multiplied by 20 equals 400, so the square root is 20.
Q17
What is the cube root of 729?
  • A 8
  • B 9
  • C 10
  • D 11
Answer: Option B
Explanation: 9 multiplied by 9 multiplied by 9 equals 729, so the cube root is 9.
Q18
What is the square root of 625?
  • A 20
  • B 23
  • C 25
  • D 27
Answer: Option C
Explanation: 25 multiplied by 25 equals 625, so the square root is 25.
Q19
What is the cube root of 1000?
  • A 8
  • B 9
  • C 10
  • D 11
Answer: Option C
Explanation: 10 multiplied by 10 multiplied by 10 equals 1000, so the cube root is 10.
Q20
What is the square root of 900?
  • A 28
  • B 29
  • C 30
  • D 31
Answer: Option C
Explanation: 30 multiplied by 30 equals 900, so the square root is 30.

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