What will be the best approach to finding all the prime numbers less than 75 that leave an odd reminder when we divide them with 5?
The doctor advised his patient to take a tablet after every fifteen minutes. He gave him five tablets in total. How much time will he take to have all the five tablets?
What is full of holes but still holds water?
The below mentioned letters have been placed in a order using a logic. DEAD, BALL, FEAR, SHOP Can you find the logic?
I organized a small get together at my home. In the party , i have a barrel with some whiskey in it. Suddenly Guest 1 say 'I bet this barrel of whiskey is more than half full'. 'No, it's less than half full' Guest 2 replied. I don't have any measuring instrument and without removing whiskey from it , how can i determine which of the guest is right ?
Find the hidden panda in the image below.
It comprises roots which nobody sees, Much taller than those trees, Up and up it goes, Still it never grows?
Prove that twice of ten is the same as twice of eleven.
There are two candles. Both will only burn exactly for an hour. How will you use these two candles to measure forty-five minutes?
Pronounced as one letter, And written with three, Two letters there are, And two only in me. I am double, I am single, I am black blue and grey, I am read from both ends, And the same either way.
Find out the missing number in the picture attached:
There is a cryptic organization called Cicada 3301 that posts challenging puzzles online, possibly to recruit codebreakers and linguists.
