Riddles
Riddles 2.0
Trigonometry - Which Ratio
Math Riddles
Revision Scale Questions
100
It goes up and down the stairs without moving.
Carpet
100
Stealthy as a shadow in the dead of night, cunning but affectionate if given a bite. Never owned but often loved. At my sport considered cruel but that's because you never know me at all. What am I?
Cat
100
Use it when you know the length of the hypotenuse and the adjacent leg.
Cosine
100
If you divide thirty by half, and add ten, what do you get?
70
https://www.riddles.fyi/hard-riddles/
100
1.5
200
What has hands, but is not flesh, bone or blood?
Clock
200
If you have me you want to share me, if you share me you won't have me. What am I?
Secret
200
Use it when you know the hypotenuse and the opposite leg.
Sine
200
A word I know, Six letters it contains. Subtract just one, and twelve is what remains.
Dozens
https://www.riddles.fyi/hard-riddles/
200
The scale factor from triangle NQB to triangle N`Q`B` is...
1.25cm
300
The more there is the less you see.
Darkness
300
If I drink, I die. If I eat, I am fine. What am I?
Fire
300
Use it when you know the opposite and adjacent
Tangent
300
X is an odd number. Take an alphabet away from X and it becomes even. Which is that number?
Seven (Seven-S=Even)
https://www.riddles.fyi/hard-riddles/
300
The scale factor from triangle NPW to triangle N`P`W`is ...
1/4
400
You hear me once, you heard me again, and then I die until I am called again.
Echo
400
I'm tall when I'm young and short when I'm old. What am I?
Candle
400
What do you use if you want to find the missing angle of a triangle and you have the opposite side and the hypotenuse
Sin-1
400
If you multiply this number by any other number, the answer will always be the same. What number is this?
Zero
https://www.riddles.fyi/hard-riddles/
400
A triangle has the side lengths of 2, 4, 7. Of the following, which side lengths below would create a scaled copy...
1, 2, 3 1.5, 3, 5.25 2.5, 5, 8.5
1.5, 3, 5.25
500
Creeping on its belly, curled into a ring.
Eyes forever open, beware its lethal sting.
Snake
500
White and thin, red within, with a nail at the end. What am I?
Finger
500
What does SOHCAHTOA stand for?
Sin = O/H
Cos = A/H
Tan= O/A
500
How can you take 2 from 5 and leave 4?
F I V E
https://www.riddles.fyi/hard-riddles/
500
A map has a scale of 2 cm = 15 km. A trip will be 7 cm on the map, the actual distance will be
52.5km