Can you arrange four 9's and use at most 2 math symbols, to make the total 100?

I am green and found in the forest and have needles instead of leaves. What am I?
Hint 1: It can be used for Christmas decorations.
Hint 2: I have a strong, scent that is used in air fresheners.

John and Jill are madly in love with each other. To remind Jill of his pure love, John wants to send her a ring by post but in their country where burglary is quite prominent, any package that is not locked comes under the risk of being stolen for the contents.

John and Jill possess many padlocks but neither one of them has the other key.

Can you find a way John can send the ring to Jill safely?

Divide 110 into two parts so that one will be 150 per cent of the other. What are the 2 numbers?

What does this simple rebus mean?

How many words can a pen with half refill write?

What do you answer even though it never asks you questions?

Can you calculate the probability of getting a sum of six when a dice is thrown twice?

Can you solve this tricky maths equation problem by replacing it? mark with the correct symbol?

19834 -----: 187
15921 -----: 153
17561 -----: 139
13734 -----: ???

What word is represented by this rebus?