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Sticky Note
. Find the value of a² + b², when a+b=5 and ab- 6.
  1. 37
  2. 25
  3. 13
  4. None of these
Explanation


  2. $$a^2 + b^2 = 25 - 12 = 13.$$

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Find the smallest number that, when divided by 8, 10, 20, and 30, leaves a remainder of 5 in each case.
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  2. 125
  3. 240
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