I have teeth but i don't bite. Who Am I ?

I’m tall when I’m young, and I’m short when I’m old. What am I?

Solve below rebus puzzle?

Some friends went on a vacation to a resort. It was raining heavily and it kept raining for thirteen days.

When it rained in the morning, the afternoon was beautiful and when it rained in the afternoon, the day was blessed with a clear morning.

Overall, the friends experienced eleven nice mornings and twelve nice afternoons. Can you find out the number of days they spent on vacation?

Can you find the next number in the below sequence
3 , 7 , 10 , 11 , 12 , 17 ?

Why is the Hole below a Lock?

Create a number using only the digits 4,4,3,3,2,2,1 and 1. So i can only be eight digits. You have to make sure the ones are separated by one digit, the twos are separated by two digits the threes are separated with three digits and the fours are separated by four digits

Can you make the below equation true by using any three numbers from "1, 3, 5, 7, 9, 11, 13 and 15"?

( ) + ( ) + ( ) = 30

I cannot talk, but I always reply when spoken to. What am I?

Spot what is wrong here in below Picture?