??
Puzzle 781
What number comes next in this sequence:
2 · 5 · 9 · 19 · 37 · ?
??
Puzzle 782
Which letter comes next in this sequence:
Y · P · I · D · ?
??
Puzzle 783
What is the smallest positive integer, which …
… when multiplied by 7 gives a number consisting of only 6's?
??
Puzzle 784
Which is the odd one out:
curtain, door, veil, shutter, screen