I have branches, but no fruit, trunk or leaves. What am I?

Find the missing number in the series below

13 -21 34 -55 ? -144

If eleven plus two equals one, what does nine plus five equal?

Find the number of squares in the below-given picture.

Here is what you have to do. You have to throw a ball as hard as you can but it must return back to you even if it does not bounce at anything. Also, you have nothing attached to the ball. There is no one on the other end to catch that ball and throw it back at you.

How will you do it?

John and Jill are madly in love with each other. To remind Jill of his pure love, John wants to send her a ring by post but in their country where burglary is quite prominent, any package that is not locked comes under the risk of being stolen for the contents.

John and Jill possess many padlocks but neither one of them has the other key.

Can you find a way John can send the ring to Jill safely?

Alpha is Beta's sister.

Gamma is a Beta mother.

Delta is Gamma's father.

Tango is Delta's mother.

Then,

How is Alpha related to Delta?

What number should come in place of the question mark below?

Analyze and find the missing item in the sequence:
16, 06, 68, 88, __, 98

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

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