Spot what is wrong here in below Picture?

You need to arrange three 7 and mathematical symbols to form number 1?

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

What is it?

They are the five precious gems of an everyday sort and all can be found on a Tennis Court. Who are they?

A girl was standing near the window thinking something. All of a sudden she decides something and throws something out of the window. She dies very soon after throwing it. She was perfectly healthy and had no disease or allergy. No one killed her and she did not commit suicide.

Can you think of any possible explanation that is logical as well for what happened there?

Can you name some countries which do not have the alphabet 'A' in them?

Can you complete the sequence puzzle?

AR TA GE CA LE VI LI _

Three ants are sitting at the three corners of an equilateral triangle. Each ant starts randomly picks a direction and starts to move along the edge of the triangle. What is the probability that none of the ants collide?

The Federal bank of London is abducted by the robbers. The head of the robbers asked the cashier to empty their money vault to them and when suddenly cashier got a call from her father. To avoid any suspicion, the robber asked the cashier to pick the call and reply her father in the shortest manner possible.

The cashier told her father "Is there an emergency father, Call me when you are free and I will help you in your furnishing" and then the cashier hung up the phone.

After 10 minutes, police arrived at the crime scene.

How did the police know about the robbery?

A maths symbol is hidden in the below Bar Graph. Can you decipher it?