Look at the below sequence of letters and tell us what the next letter should be:

O T T F F S S ?

You have $100 with you and you have to buy 100 balls with it. 100 is the exact figure and you can't go below or above the numbers and you have to use the entire $100. If there is no kind of tax applied how many of each of the following balls will you be able to buy:

Green Balls costing $6
Yellow Balls costing $3
Black Balls costing $0.10

Now, how many of each must you buy to fulfil the condition given?

I never stop running even when I standstill. If I am formed by joining two identical bodies together, can you guess who I am?

Which five letter word can be added at the end of below word to form a
valid word?

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What kind of band never plays music?

Get total of 120 by using five zeros 0,0,0,0,0 and any one mathematical operator.
Do you ?

John named his first son Alpha, second Beta, third Charlie and fourth Delta. What is the fifth son's name?

What has hands, but can’t clap?

It spends most of its day eating white, but when it’s quick enough, it gets to eat fruit and sometimes some blue things. It’s in a dark room, where the walls are blue, it runs from a ghost that roams the halls and haunts it all the time. What is it?

When I asked a girl's name she told me her name is the date '07/09/2001'.

I thought for a few seconds and then I got her name. Do you?