You need to climb ten stairs. At every stair, you can either take one step up or you can jump two steps up.

In how many different ways you can climb 10 stairs?

You can take four of the five letters out of this word, but the pronunciation never changes. What is the word?

What do you think with the below Picture ?

Which is the smallest number that you can write using all the vowels exactly once?

Make the seating arrangement of 10 children in such a way that there are 5 rows with 4 children in each row.

An equation has been laid down using a few matchsticks. However, as you can see, the equation is not correct. Can you correct the equation if you are allowed to add or remove 5 matchsticks?

There is a box in which distinct numbered balls have been kept. You have to pick two balls randomly from the lot.

If someone is offering you a 2 to 1 odds that the numbers will be relatively prime, for example
If the balls you picked had the numbers 6 and 13, you lose $1.
If the balls you picked had the numbers 5 and 25, you win $2.

Will you accept that bet?

Make a sentence consisting of three words that have the whole alphabet.

We have four gears with below features=> Both Gear A and D has 60 teeth=> Gear B has 40 teeth=> Gear C has 20 teeth=> Every two minutes, Gear B makes 25 full turns.What is the relative speed of Gear A and Gear B?

Lifeless eyes on my smiling face and watch your child's sleeping place. In their dreams they hold me tight. What am I?