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  Number & Math Play

Missing Number
 
Q What is the number missing from the following sequence?

4 7 11 18 29 47 ____ 123 199 322


 
A The missing number is 76. Beginning with the third number in the sequence, each number is the sum of the two preceding numbers.

STRATEGY: Look for a pattern.

Source: Puzzle 1-3 (p. 8) in IQ Puzzles, compiled by Joe Cameron, New York: Barnes & Noble, 2000.