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?

### How many fingers are there on 10 hands?

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

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

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

How many times can you subtract 10 from 100?

### You start with 1000 then add 40

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?

### Add two to eleven and get one

When can you add two to eleven and get one as the correct answer?

### What 3 positive numbers give the same result

What 3 positive numbers give the same result when multiplied and added together?

### Make 60 again by using the same number 3 times

20+20+20=60. How can you make 60 again by using the same number 3 times, but it can’t be 20?

### Three number result in the same answer

What three number result in the same answer whether they are added together or multiplied?