Directions: In the following question, a number sequence is given with one term missing. Choose the correct term that will continue the same pattern and replace the question mark in the given sequence.6,8,10,14,18,26,34,50,66,?
Correct answer: A. 98
- A. 98
- B. 82
- C. 90
- D. 100
Explanation
The given sequence is: 6, 8, 10, 14, 18, 26, 34, 50, 66, ?First, determine the differences between consecutive terms:8 - 6 = 210 - 8 = 214 - 10 = 418 - 14 = 426 - 18 = 834 - 26 = 850 - 34 = 1666 - 50 = 16The pattern of differences is: 2, 2, 4, 4, 8, 8, 16, 16. These differences repeat twice and double each time:2, 24, 48, 816, 16The next differences should be 32, 32. Thus, the next number is 66 + 32 = 98. The other options do not correctly follow this established pattern.
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Industrial chemistry applies chemical reactions and material properties to the manufacture of adhesives, dyes and polymers. Coverage includes addition and condensation polymerisation, thermoplastics and thermosetting polymers, the structural basis of colour in dyes, and how adhesive composition enables bonding between surfaces.
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