Puzzle 757
What number comes next in this sequence:
1 · 8 · 9 · 64 · 25 · 216 · 49 · ?
workings
hint
answer
print
www.brainbashers.com
/puzzle/zppv
share
Hint
Think of squares and cubes.
Answer
512.
Each term alternates between a square and a cube, 8 3 = 512.
Puzzle 758
What number comes next in this sequence:
3 · 24 · 102 · 312 · 777 · ?
Puzzle Copyright © Kevin Stone
workings
answer
print
www.brainbashers.com
/puzzle/zucy
share
Answer
1680.
This is n to the power of 5, starting with 2^5 = 32, with the last digit missing, 7^5 = 16807.
Puzzle 759
What are the next two numbers in this sequence:
202 · 122 · 232 · 425 · 262 · 728 · ? · ?
Puzzle Copyright © Kevin Stone
workings
answer
print
www.brainbashers.com
/puzzle/zndm
share
Answer
293 031: these are the numbers 20, 21, 22, 23 etc grouped into three digits.
Puzzle 760
What number comes next in this sequence:
15 · 20 · 20 · 6 · 6 · 19 · 19 · 5 · 14 · ?
workings
hint
answer
print
www.brainbashers.com
/puzzle/zosu
share
Hint
The sequence is related to 1, 2, 3, 4.
Answer
20.
Each term's initial letter position in the alphabet:
1 = One = O = 15th letter.
.
.
4 = Four = F = 6th letter.
.
.
.
20 = Ten = T = 20th letter.
< previous next >