Distances from you to certain cities are written below.
BERLIN 200 miles
PARIS 300 miles
ROME 400 milesAMSTERDAM 300 miles
CARDIFF ??? miles
How far should it be to Cardiff ?
What's the next in the series?
H, Be, F, S, Mn, Kr, In, Gd, Tl, ?
If eleven plus two equals one, what does nine plus five equal?
Once while in his court, King Akbar asked Birbal to write something on a wall that makes one sad when read in good times and makes one happy when read in sad times.
He took only a few moment and wrote something that fit the requirements. What did he write?
Accidentally, two trains are running in the opposite direction and enter a tunnel that is 200 miles long. A supersonic bird that has fled the lab and taken shelter in the tunnel starts flying from one train towards the other at a speed of 1000 mph. As soon as it reaches the second train, he starts flying back to avoid collision and meets the first train again at the other end. The bird keeps flying to and fro till the trains collide with each other.
What is the total distance that the supersonic bird has traveled till the trains collided?
John can place six large boxes or nine small boxes into a carton.
Can you find out in how many cartons can he place sixty-six boxes in total?
If 5 cats catch 5 mice in 5 minutes, how long will it take one cat to catch a mouse?
Can you find out the missing number in the grid?
Christina has four daughters, and each of her daughters has a brother. How many children does Christina have?
Can you make numbers like 24, using numbers 3,3,7 & 7 with any arithmetic operator?
If 1+9+8=1, what is 2+8+9?
In 2011, people playing Foldit, an online puzzle game about protein folding, resolved the structure of an enzyme that causes an Aids-like disease in monkeys. Researchers had been working on the problem for 13 years. The gamers solved it in three weeks.
