Can you make numbers like 24, using numbers 3,3,7 & 7 with any arithmetic operator?

I’m orange, I wear a green hat and I sound like a parrot. What am I?

What work can one never finish?

I live in a bowl. I can swim. I have a tail. I also have fins and big eyes. What am I?

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?

When my father was 31 I was 8. Now he is twice as old as me. How old am I?

Andrew sees a very rare bird named "Ruppell's vulture". Soon Andrew was dead. Can you explain the mystery, Mr. Sherlock?

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

I have a five and a three-gallon jar. Assuming there is an infinite supply of water, how can I measure one-gallon water?

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.