It has a long neck, A name of a bird, Feeds on cargo of ships, It's not alive,

What is it?

What is the next number in this matchsticks series riddle?

A brand new Mobile Phone was on sale at 20% as a promotional offer. By what per cent must the Mobile price be increased to sell it at the original price again?

I always drive my customer away.

Who am I?

Your last good ping-pong ball fell into a narrow metal pipe embedded one foot deep in concrete.
How can you get it out undamaged, if all the tools you have are your tennis paddle, shoe laces, and plastic water bottle, which does not fit into the pipe?

What do you see in the given picture?

How can you make the following equation true by drawing only one straight line: 5+5+5=550 ?

How much will a 38° angle measure when looked at under a microscope that magnifies ten times?

Can you find the odd number in the following?

2716, 4135, 5321 and 7145

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?