#91 - January Series Puzzle
Find The Next Number In Series ?
100 365 24 60 ?
*Hint : Timing is everything
60. 100 years in a century, 365 days in a year, 24 hours in a day, 60 minutes in an hour, & 60 seconds in a minute.
#93 - Maths Operator Riddle
Can you get a sum of 1000 using sixteen 4s and only an addition operator
444 + 444 + 44 + 44 + 4 + 4 + 4 + 4 + 4 + 4 = 1000
#95 - Hourglass Time Puzzle
There are 2 sand hourglasses.
The small one can measure 5 hours and the large one can measure 7 hours.
How can we measure 16 hours with 2 sand hourglasses running together ?
Steps:
* Start both sand hourglasses at the same time.
* You flip over the small sand hourglass when it finishes the first 5 hours.
* Flip over the large one when it finishes its first 7 hours.
* When the small sand hourglass runs to 10 hours, flip over the small and large sand hourglass at the same time. It means the large sand hourglass will run 3 hours again. When the large sand hourglass run to 13 hours (7 + 3 + 3), flip both the small and large sand hourglass over again to run another 3 hours.
#96 - Tricky Problem
Neha was born in 1855.
she just had his 30th birth day today how did that happen ?
1855 was room number
#97 - Maths Algebra Puzzle
Replace all '*' with digits 1, 2, 3, 4, 5 and 6 to make below statement true.
* *
x *
=====
* * *
54
x3
===
162
#98 - Maths Aptitude Puzzle
A octopus has 8 legs. A hippogriff has 6 legs and 2 pairs of wings. A sphinx has 6 legs and one pair of wings. Now we have all 3 kinds and a total of 18 insects in a cage. We have a total of 118 legs and 20 pairs of wings. How many insects do we have of each kind ?
There are 5 octopus, 7 hippogriff & 6 sphinx.
Let 'A' be the number of octopus, 'B' be number of hippogriff and 'C' be number of sphinx.
A+B+C = 18
8A+6B+6C = 118
2B+C = 20
Solving this, A=5, B=7, C=6
#99 - What Word Problem
There is a five letter word which has 3 consonants(all are same) and 2 different vowels.
Also something wrong associated with the word.
Can you name it ?
Error
#100 - River Crossing Problem
2 ladies and 2 girls need to cross a river in a boat big enough for 1 LADY or 2 girls. How do they do it?
GIRL and GIRL ->
<- GIRL
LADY ->
<- GIRL
GIRL and GIRL ->
<- GIRL
LADY ->
<- GIRL
GIRL and GIRL ->