Jack was having a candle light dinner with his girlfriend. Suddenly a cold gush of wind entered through the open window and three of the ten candles were extinguished. Assuming that none of the other candles were extinguished. How many candles are they left with in the end ?
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 ?
Prove that twice of ten is the same as twice of eleven.
How many times can you subtract the number 5 from 25?
Can you find the missing letter in the sequence? S - T - I - L - ? - T - F - Y - C
What makes this number unique: 8,549,176,320?
People put me on the table and cut me but do not eat me. What am I?
You see me once in June, twice in November, and not at all in May. What am I?
Find the missing number in the image below.
How can you drop a raw egg from a height onto a concrete floor without cracking it?
How will you measure 15 minutes using two hourglasses of 7 minutes and 11 minutes respectively?
The inventor of the Rubik’s Cube didn’t realize he’d built a puzzle until he scrambled it the first time and tried to restore it.