In 30 seconds identify what number should replace the question mark?
16, 23, 19, 19, 22, 15, 25, ?
16, 23, 19, 19, 22, 15, 25, ?
Answer:
11: there are two alternate sequences: +3 and –4.
Showing posts with label Series. Show all posts
Showing posts with label Series. Show all posts
Saturday, January 12, 2013
Tuesday, January 1, 2013
Series
1, 50, 6, 45, 11, 40, 16, 35, 21, ?, ?
Which numbers should replace the question marks?
Answer:
30, 26: there are two alternate sequences. Add 5 starting at 1. Subtract 5 starting at 50.
Answer:
30, 26: there are two alternate sequences. Add 5 starting at 1. Subtract 5 starting at 50.
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