How many times do a clock's hands overlap in a day ?

I know a ten-letter word in the English language which can be typed using only the top rows of the computer keyboard.

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.

Why do we preferably have round manhole covers and not square ones?

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?

Can you find the next number in the below sequence
3 , 7 , 10 , 11 , 12 , 17 ?

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

Trying to tease Birbal, Akbar gave him one gold coin and ask him to buy
* something for him to eat
* something for him to drink.
* something to feed the cows
* something to plant in the garden
and most important you need to buy only one thing.

What must Birbal buy to silence Akbar?

In a classic wine shop, the list of three most popular wines are:
- The cost of 1 French wine bottle: 500$
- The cost of 1 German wine bottle: 100$
- The cost of 20 Dutch wine bottles: 100$

John entered the wine shop and he needs to buy
- All three types of wine bottles.
- Needs to buy Dutch wine bottles in multiples of 20.
- Need to buy 100 wine bottles in total.

John has only 10000$. How many wine bottles of each type, John must buy?

Guess the hidden movie name?