A patient was diagnosed with some ailment. He was given five different tablets to take at night at an interval of 15 minutes.

How long will it take the patient to consume all the five tablets?

What is next number in the pattern below:

131 517 192 123 ?

I go up and I go down.
I go up towards the beautiful sky and down toward the green ground.
I am present tense.
I am past tense too
Children love me.

Who Am I?

You bought me for dinner but never eat me. What am I?

what's the probability of getting a king or a queen from a pack of 52 cards?

Can you spot what's wrong with the following sentence?

PETER WAS ANGRY AT
HIMSELF BECAUSE HE
ACCIDENTALLY LEFT THE
THE KEYS TO HIS CAR
AT HIS FRIEND'S HOUSE.

Spot 5 differences in two Christmas tree below:

As you can see that fifteen matches have been used to form an arrangement. What you have to do is remove any six of them to make them ten.

I speak without a mouth, and hear without ears. I have no-body, but I come alive with the wind. What am I?

It's a protector.
It sits on a bridge.
One individual can see directly through it, while others wonder what it hides.

What is it?