Double It - Beat the Clock

List 2, 4, 8, ... and so on. Beat the clock!
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Quizzer6794
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Last updated: June 18, 2015
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First submittedJune 18, 2015
Times taken253
Average score43.3%
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2
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16
32
64
128
256
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2048
4096
8192
16384
32768
65536
131072
262144
524288
1048576
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16777216
33554432
67108864
134217728
268435456
536870912
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Try to beat the clock by answering these randomly-generated multiplication problems in your head.
Try to beat the clock by answering these randomly-generated addition problems in your head.
Guess any number that fits in each series of categories until only one number remains.
Can you guess which of these are cities in Canada? One wrong guess, and the quiz instantly ends.
3 Comments
+1
Level 66
Jun 18, 2015
My 5-star calculator couldn't compute anything past the 4th column!

Can you?

+1
Level 66
Jun 18, 2015
Wait... no, oops! It's a 4-star! :)
+1
Level 66
Jul 9, 2015
Okay, seems some people have (record= 28)