#71 - Logical Thinking Puzzle
How many cubic feet of dirt are in a hole of one foot deep, three feet long, and two feet wide?
NONE, holes are empty
#73 - Trick Teaser Problem
Twins(Adarsh and Anupam) were born in May but their birthday is in June.hows this possible ?
May is a town
#75 - Smart Puzzle
Assume there are approximately 5,000,000,000 (5 billion) people on Earth. What would you estimate to be the result, if you multiply together the number of fingers on every person left-hands? (For the purposes of this exercise, thumbs count as fingers, for five fingers per hand.) If you cannot estimate the number then try to guess how long the number would be ?
The product of the number of fingers on the left-hands of every person is zero. It only takes one person to have no fingers on their left hand for the product to be zero, because anything multiplied by zero equals zero.
#76 - King Gift Puzzle
King Charles want to send the diamond ring to his girlfriend securely.He got multiple locks and their corresponding keys.His girl friend does not have any keys to these locks and if he send the key without a lock , the key can be copied in the way.How can charles send the ring to his girl friend securely .
charles put the ring into the box, secure it with one of your locks, and send the box to the girl firend.
She should then attach one of his own locks and return it. When you receive it again, remove your lock and send it back with her lock. Now she can unlock his own lock and retrieve the object.
#77 - Tricky Funny Riddle
Manish is the son of Harish.
So,
Harish is the_____of Manish's father ?
Name
#78 - Missing Letter Sequence Puzzle
Can you find the missing letter in the sequence ?
S - T - I - L - ? - T - F - Y - C
The answer is M.
These are letter of the question asked in reverse order.
#79 - Tricky Password Teaser
There was some system error in a mailing website because of which passwords of some clients got changed.
Here is a conversation between a client and mailing-website executive person.
Client : My password is altered.
Client : I am not able to logged-in.
Executive : The password is distinct this time and it got eight letters , out of which two are same of your previous password.
Client: thanks , now i am able to logged-in.
Whats the client old and new passwords ?
Old password : distinct , New Password : altered :p
#80 - Labor Day Maths Puzzle
Manish drive to his office at 20km/hr. After reaching office, he realize that today is a holiday of 'Labor Day'.He went back at average speed of 30km/hr. Discounting the time spent in the stoppage what was his average speed of his journey ?
24km/hr (not 25km/hr which might be guessed by many)
D : distance traveled
T1 : time of going to office
T2 : time of returning back
Y : Average Speed
D = 20 * T1
T1 = D/20
D = 30 * T2
T2 = D/30
2D = Y(T2 + T1)
2D = Y(D/20 + D/30)
2D = Y(3D/60 + 2D/60)
2D = Y(5D/60)
Y = 120D/5D
=> Y = 24