I am a seven-letter word but if you remove four of my letters I will have one left. What word am I?

What kind of tree can you carry in your hand?

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

What is it?

If a wheel has 54 spokes, how many spaces are there between the spokes?

What does the below rebus puzzle mean?

Four people need to cross a rickety bridge at night. Unfortunately, they have only one torch and the bridge is too dangerous to cross without one. The bridge is only strong enough to support two people at a time. Not all people take the same time to cross the bridge. Times for each person: 1 min, 2 mins, 7 mins and 10 mins. What is the shortest time needed for all four of them to cross the bridge?

I went to the bookshop and spent one-half of the money that was in my purse.

When I came out, I found that I had as many cents as I had dollars and half as many dollars as I had cents when I went in. Find the money in my purse when I entered the store.

Find the Odd One Out?
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Joseph buys three kinds of chocolates for 100 rupees. The first one is priced at 5 rupees, second one at 3 rupees and third one at 0.5 rupees.

If he bought 100 chocolates in total, how many pieces do you think he bought each chocolate?

Today, I celebrated my 32nd birthday but I was born in 1972.
How is this possible?