What question can you never answer yes to?

In two decks of cards, what is the least amount of cards you must take to be *guaranteed* at least one four-of-a-kind?

I am working in a bus company. The company recently went under expansion and therefore there was not enough room for all the buses. As a result, twelve buses had to be stored outside.

If the company decides to expand the garage space by forty percent, enough space to accommodate the current buses will be created leaving enough space for twelve more buses if the need arises in future.

Can you calculate the number of buses that the company owns at present?

I have cities, but no houses. I have mountains, but no trees. I have water, but no fish. What am I?

Most people think of me as money. But when they find me in the water, they won’t get any money out of me. What am I?

Can you spot the hidden girl in the picture below?

What is the centre of gravity?

Five lovely ladies(Sophia, Isabella, Madison, Emma and Olivia) planned a picnic.

They each buy one thing each for the picnic.

Sophia, Emma and Olivia got a drink : orange-Juice, apple-juice, and mango-juice.
Olivia got the drink with the same letter as the one in her first name.
Emma loves mango-juice.
The other two bring some food : chocolates and pizza.
Also Madison is allergic to cheese.

So which ladies bought what ?

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

Find The Next Number In The Sequence

30 10 15 13 0 16 -15 ?