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Kabir notices: 1 + 2 = 3, 4 + 5 + 6 = 7 + 8, 9 + 10 + 11 + 12 = 13 + 14 + 15.
In the next line of this pattern, how many numbers are on the LEFT of the equals sign?

Class 6Patterns in Whole NumbersWhole Numbers
  • A4
  • B5
  • C6
  • D7

Step-by-Step Solution

Left side counts are 2, 3, 4, ... So the 4th line has 5 numbers on the left (16+17+18+19+20 = 21+22+23+24).
Answer: B) 5

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