Can you solve this tricky maths equation problem by replacing it? mark with the correct symbol? 19834 -----: 187 15921 -----: 153 17561 -----: 139 13734 -----: ???
We have shown you a regular water barrel as below. Without using any measuring device can you check if the barrel is more than half-filled or less than half-filled?
What kind of tree can you carry in your hand?
Find The Missing Number In the Sequence. 6 25 64 ? 32 1
When my father was 31 I was 8. Now he is twice as old as me. How old am I?
Find the last number in the series below: voN luJ yaM raM ---
The person who makes it has no need for it; the person who buys it has no use for it. The person who uses it can neither see nor feel it. What is it?
A professor thinks of two consecutive numbers between 1 and 10. 'A' knows the 1st number and 'B' knows the second number A: I do not know your number. B: Nor do I know your number. A: Now I know. What are the four solutions for this?
Alex opened 24 presents Jonah opened 8 presents Clara opened 1 present Can you find out how many presents were opened by Candy?
Find the next number in the series. 1 10 24 43 67 ?
If, 20 % 5 = 24 21 % 7 = 33 42 % 6 = 67 Then; 66 % 6 = ?
There is a cryptic organization called Cicada 3301 that posts challenging puzzles online, possibly to recruit codebreakers and linguists.
