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  • Civil Engg. (GATE) 2010
  • If 137 + 276 = 435, how much is 731 + 672?
Multiple choice

If 137 + 276 = 435, how much is 731 + 672?

  1. 534

  2. 1403

  3. 1623

  4. 1513

Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

137 + 276 = 435 If these numbers are in octagonal form, then similarly 731 + 672 = 1623 are in octagonal form.

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