One out of 9 otherwise identical balls is overweight. How can it be identified after 2 weighings?
Weigh a group of 3 balls against another group of 3, then you'll know which group of 3 contains the heavy ball. Pick 2 balls from that group and weigh one against the other.
How can you add 8 8's to make 1000?
888 + 88 + 8 + 8 + 8 = 1000
If 365 days are equal to 31536000 seconds,how many seconds are there in 366 days
Remember:1 day=86400 days,The answer is 31622400 seconds