Can you find the next number in the below sequence 3 , 7 , 10 , 11 , 12 , 17 ?
Find out a multi-digit number that if multiplied by the number 9 or any of its multiplications products (i.e. 18, 27, 36, 45,..) will result in the multiplication factor repeated (n) number of times.
What does this rebus means ? PROG WORKRESS
When my father was 31 I was 8. Now he is twice as old as me. How old am I?
Find the next number in the series 12, 20, 40, 72, 116, 172 ?
Which Number is the odd one out? A) 7145 B) 2716 C) 5321 D) 4135
Double it and multiply it by 4. Then divide it by 8 and you’ll have it once more. What number is it?
There was a strange boy who was born before his father. How can this be possible?
I’m tall when I’m young, and I’m short when I’m old. What am I?
I never stop running even when I standstill. If I am formed by joining two identical bodies together, can you guess who I am?
Spot 5 differences in two Christmas tree below:
There is a cryptic organization called Cicada 3301 that posts challenging puzzles online, possibly to recruit codebreakers and linguists.