In a lake, there is a patch of lily pads. Every day, the patch doubles in size. If it takes 48 days for the patch to cover the entire lake, how long would it take for the patch to cover half the lake?
Take a good look at your hands. You have 10 fingers on your hands. How many fingers are there on 10 hands?
What number do you get when you multiply all of the numbers on a telephone’s number pad?
There was a girl half my age when I was 12, now I am 64, how old is she?
How many times can you subtract 10 from 100?
You start with 1000 then add 40 add another 1000 then add 30 add another 1000 then add 20 add one more 1000 then add 10 what is your answer?