- A40
- B72
- C32
- D36
Step-by-Step Solution
Sum of first 6 odd numbers = (this also equals + ... grouped as cube blocks 1 + 8 + 27 = 36).
Answer: D) 36
Look at the pattern of building cubes from odd numbers shown below.
Using the same idea, the sum of all odd numbers from 1 up to 11 (i.e. 1+3+5+7+9+11) equals the sum of the first few cubes' blocks. What is 1+3+5+7+9+11?
Class 8Patterns in CubesCubes and Roots
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