What building has the most stories?
A girl is twice as old as her brother and half as old as her father. In 50 years, her brother will be half as old as his father. How old is the daughter now?
Count the number of times the letter "F" appears in the following paragraph: FAY FRIED FIFTY POUNDS OF SALTED FISH AND THREE POUNDS OF DRY FENNEL FOR DINNER FOR FORTY MEMBERS OF HER FATHER'S FAMILY.
On one occasion, A Boy collects 71 rupees in form of 20 paise and 25 paise. He collects a total of 324 coins. Can you tell me how many 20-paisa and 25-paisa he got?
No matter how little or how much you use me, you change me every month. What am I?
Intelligence Agency need to break the vault but the problem is that they are not able to break the vault. On the vault, a text is written as: 31 11 33 33 43 45 21 25 31 24 11 31 51 41 To Break the code Intelligence Agency brings a mathematician named Joseph. Minutes later he deciphers the code. Whats the code?
A mother is 21 years older than her child. In exactly 6 years from now, the mother will be exactly 5 times as old as the child. Where's the father?
What happened when the wheel was invented?
Can you find the odd number in the following? 2716, 4135, 5321 and 7145
Below, you can see some coding: January = 1017 February = 628 March = 1335 April = 145 May = 1353 June = 1064 July = 1074 August = 186 Now deciphering the way it has been coded, can you find out how September will be coded?
12345 a famous South Indian actor 567 is a path in jumbled form 8 & 10 are same letters 9 is one among the first six alphabets. WHO AM I?
There is a cryptic organization called Cicada 3301 that posts challenging puzzles online, possibly to recruit codebreakers and linguists.