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Number Alert (Posted on 2003-02-27) Difficulty: 2 of 5
Two numbers are missing in this pattern:

2, 4, 11, 37, 153, ??, ???

What are they?

See The Solution Submitted by ashley    
Rating: 2.1111 (9 votes)

Comments: ( Back to comment list | You must be logged in to post comments.)
Solution Solution | Comment 6 of 14 |
We begin with 2, and then follow the given operations to arrive at the desired result:


2 * 1 + 2 = 4


4 * 2 + 3 = 11


11 * 3 + 4 = 37


37 * 4 + 5 = 153


153 * 5 + 6 = 771


771 * 6 + 7 = 4663


Thus the two numbers are: 771 and 4663.
  Posted by Ravi Raja on 2003-02-28 20:51:48

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