Quantitative Apitude-Numbers

Quantitative Apitude-Numbers
161. 287 x 287 + 269 x 269 - 2 x 287 x 269 = ?
  • 534
  • 446
  • 354
  • 324
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162. 3 + 33 + 333 + 3.33 = ?
  • 362.3
  • 372.33
  • 702.33
  • 702
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163.  Which one of the following can't be the square of natural number ?
  • 30976
  • 75625
  • 28561
  • 143642
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Quantitative Aptitude
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