What is in seasons, seconds, centuries and minutes but not in decades, years or days?

I am something people love or hate. I change peoples appearances and thoughts. If a person takes care of them self I will go up even higher. To some people I will fool them. To others I am a mystery. Some people might want to try and hide me but I will show. No matter how hard people try I will Never go down. What am I?

I have a big mouth and I am also quite loud! I am NOT a gossip but I do get involved with everyone's dirty business.

I have no doors but I have keys, I have no rooms but I have space, you can enter but you can’t leave! What am I?

Four people need to cross a rickety bridge at night. Unfortunately, they have only one torch and the bridge is too dangerous to cross without one. The bridge is only strong enough to support two people at a time. Not all people take the same time to cross the bridge. Times for each person: 1 min, 2 mins, 7 mins and 10 mins. What is the shortest time needed for all four of them to cross the bridge?

How is the moon similar to a dollar?

Teacher ask the student

'Why are you standing on that chair in music class ?'.

what did student replied ?

Solve the equation by replacing the alphabet with numbers.

MOM + MOM + NO = BOOK=

Thirty friends were on a hiking trip when they decided to enjoy the bonfire. They assembled for it and agreed to play a game. For that, they divided themselves into five teams with seven members each, forming five rows.

How did they manage to achieve this formation?

In the below-given picture of a pretty girl, there is something wrong. Can you find out what it is?