What goes up but never comes down?

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?

There are 3 apples in the basket and you take away 2. How many apples do you have now?

Can you spot the hidden girl in the picture below?

In the following picture, E is going to slide the object down and as per the terrain and the physics, the round object is going to travel all the way till the end. Now, can you analyze who all people will die when it happens?

Sachin bought a car with a strange 5 digit numbered plate.The water image of the number is 78633 more than my car number. All the digits of car number are distinct.

What is the original number on number plate?

Three brothers Jacob, John, and James live in Mexico City. The product of the ages of these brothers is 175. Jacob and John are twins. How old is James?

2, 3, 5, 9, 17, _ What is the next number in the sequence?

Can you convert the number zero(0) into a positive number using just one mathematical operator ?

81 x 9 = 801. What must you do to make the this equation true?