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The hexagon dot figures have 1, 7 and 19 dots. Each figure adds a new ring of dots around the last one. How many dots will Fig 4 have?

Class 6Patterns in Whole NumbersWhole Numbers
  • A31
  • B25
  • C36
  • D37

Step-by-Step Solution

The rings add 6, then 12, then 18 dots (6 more each time, one for each side). Fig 4 has dots. (31 adds 12 again; 25 adds 6 again.)
Answer: D) 37

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