There's a boat with a 3m ladder connected to it. When there's low tide, the ladder is submerged 1m underwater, so 2m is above. The water now rises 1m in high tide. How much of the ladder will be be above water now?
2m
200
7a x 2b
14ab
200
a=2 b=3 c=5
-1
200
(n+2)(n+4)
n^2 + 6m + 8
200
3x - 18
3(x-6)
200
I appear once in a minute, twice in a moment but never in an hour. What am I?
The letter 'M'
300
3abc x c x b^2
3ab^3c^2
300
p=3 q=2 s=4
p^2 x q + 2s
26
300
3(a-2) - 3(a+1)
2a - 13
300
3a + 9ab
3a(1 + 4b)
300
What travels around the world but stays in one spot?
A stamp
400
12gh x g^3 x ih
12g^4ih^3
400
t=3 u=10 v=5
t^3 x 2u + 3v
555
400
-3(x-6)
-3x + 18
400
2a^2 + 5a
a(2a + 5)
400
If I have it, I don't share it. If I share it, I don't have it. What am I?
A secret
500
50y x 10xyz x yx
500y^3x^2z
500
d=12 e=7 f=d-e
d^2 - 3e + f
125
500
-5x(2x + 6y)
-10x^2 - 30xy
500
4x^2y + 10x
2x(2xy + 5x)
500
3 men are on a boat. There is nothing on the boat but a packet of cigarettes. The men want to light them but have nothing to do it with. How do they do it?
They throw a cigarette off the boat and the boat becomes a cigarette lighter.