Which is faster, Heat or Cold ? Explain.
Replace the question mark with the correct number. 2 + 2= 4 3 + 3= 18 4 + 4= 48 5 + 5= ?
What has many teeth, but cannot bite?
Can you think of any three-dimensional shape that comprises of exactly two surfaces?
You need to move three matchsticks to form three squares. Can you do it?
Replace the question mark with the correct number in below Picture:
I get hot but I never sweat, I cook food but I am not a chef, I have a door but you can't enter me, I have a light but I am not a lamp. Who am I?
Find The Odd One Out 1. FLOW 2. SNIP 3. TRAP 4. DRAW 5. BACK
A blonde put eyeliner on her head. Why?
I have a clock(12-hour format) and both the needles of the clock overlap at 12:00. After how much time, they will overlap again?
What number comes next in this sequence: 7 8 5 5 3 4 4 _
There is a cryptic organization called Cicada 3301 that posts challenging puzzles online, possibly to recruit codebreakers and linguists.