Birthday Candles
If 10 Birthday candles burn out in 8 minutes, in how many minutes will 15 Birthday candles burn out?
SOLUTION
Every candle burns out in 8 minutes, so the answer is 8.
Difficulty: Easy
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Color of 2016
In what color is “2016” written below?
SOLUTION
You can not see 2016, so it must be written in white color.
Puzzle Sum 5
What two animals do these sums spell?
SOLUTION
SCOWL – OWL + RABBIT – BIT = SCRAB
CROW + HEEL – WHEEL + COD + BEE + FILE – BEEF = CROCODILE
Spreading Bacteria
At 12 PM a scientist put a bacteria in a container. The bacteria reproduce by splitting every minute into two. If at exactly 1 PM the container was full, at what time was it half-full?
SOLUTION
Since every minute the bacteria double their quantity, the container was half-full at
Puzzle Sum 4
What two birds do these sums spell?
SOLUTION
LACE – ACE + ARK = LARK
SPEAR – EAR + BARROW – B = SPARROW
Sisters and Brothers
In one family there are 6 sisters and each of them has one brother. How many children are there in the family?
SOLUTION
There is just one brother and therefore there are 7 children in the family.
How Many Letters
How many letters does the correct answer to this puzzle contain?
SOLUTION
Four – the only number which has the same number of letters as the number itself.
Puzzle Sum 3
What two Italian cities do these sums spell?
SOLUTION
OVEN – O + ICE = VENICE
REEL – EEL + DOME – D = ROME
Apples or Strawberries
What is heavier – 1 pound of apples or 1 pound of strawberries?
SOLUTION
They are equally heavy – 1 pound each.
Marathon
You are running a marathon and right at the finish line, you pass the runner in the 2nd position. In which place do you finish the marathon?
SOLUTION
You finish 2nd. Before passing the runner you were at 3rd place.