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All questions of Square Root and Cube Root for Class 1 Exam

What is the square root of 225?
  • a)
    14
  • b)
    15
  • c)
    16
  • d)
    17
Correct answer is option 'B'. Can you explain this answer?

Ravi dey answered
Understanding Square Roots
The square root of a number is a value that, when multiplied by itself, gives the original number. In this case, we are looking for the square root of 225.
Finding the Square Root of 225
- To find the square root, we need to identify a number that, when multiplied by itself, results in 225.
- We can start by checking perfect squares close to 225.
Perfect Squares Near 225
- The square of 14 is:
- 14 × 14 = 196 (too low)
- The square of 15 is:
- 15 × 15 = 225 (this is correct!)
- The square of 16 is:
- 16 × 16 = 256 (too high)
Conclusion
- Since 15 multiplied by itself equals 225, the square root of 225 is indeed 15.
- Therefore, the correct answer is option 'B'.
Summary
- The square root of 225 is determined through multiplication.
- The correct option is:
- Option B: 15
Using this understanding, we can easily solve similar problems involving square roots in the future.

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