SSC-IMD-SA-QUANT-MOCK-01 – Question 13

Question:

Which of the following numbers can be a perfect square?

निम्नलिखित में से कौन सी संख्या एक पूर्ण वर्ग (perfect square) हो सकती है?

Options:

  • 384752
  • 527364
  • 146689
  • 902536
  • 384752
  • 527364
  • 146689
  • 902536

Correct Answer: c)

Explanation:

Check properties of perfect squares:
– 384752 ends in 2 (a perfect square never ends in 2, 3, 7, 8).
– 146689: \(\sqrt{146689} = 383\), since \(383^2 = 146689\). Thus, 146689 is an exact perfect square.

किसी भी पूर्ण वर्ग संख्या का इकाई अंक 2, 3, 7, या 8 नहीं हो सकता (384752 गलत है)।
\(\sqrt{146689} = 383\) (क्योंकि \(383^2 = 146689\))। अतः 146689 एक पूर्ण वर्ग संख्या है।

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