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  • Math and Puzzles Challenge - 207
  • The difference between two number is 7. The sum of six times ...
Multiple choice general knowledge math & puzzles

The difference between two number is 7. The sum of six times the smaller number and the larger number is 77. What are the two numbers?

  1. 27 and 20

  2. 13 and 20

  3. 14 and 21

  4. 10 and 17

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

Let the numbers be x and x+7. 6x + (x+7) = 77 => 7x = 70 => x = 10. The numbers are 10 and 17.

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