Place the numbers from 1 to 9 in the circles in a manner that each side of the triangle sums up to 17.

You may enter, but you may not come in. I have space, but no room. I have keys, but open no lock. What am I?

Can you place three balls such that the equation shown in the picture holds true?

Can you decipher these quotes by Albert Einstein?
Blf xzm mvevi hloev z kilyovn lm gsv ovevo lm dsrxs rg dzh xivzgvw.

Bopanna was working on a murder case when he received a message about the location of the murder weapon.
The message was encrypted as below.

"deb mitciv eht edisni neddih si nopaew redrum ehT"

Tell me the location of the murder weapon.

What came first, the chicken or the egg?

They do not possess flesh or feathers or scales or bone
But still, they are blessed with fingers and thumbs of their own.

A cricket has 6 legs, a squirrel has 4 legs and a spider has 8 legs.

In a local zoo, it was found that the total number of legs is 612. Also, there are equal number of each of the above animals/insects.

Can you find out how many animals are there in the zoo?

John was running from 40 thieves. John has got 3 gold boxes which weigh as 4kg, 2kg, and 1kg respectively. A witty man asked John to stay with him for seven days in exchange for 1kg gold per day. John needs to stay there for seven days and also do not want to give the witty man any advance. How can John pay for his seven days stay?

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