How can you make number one disappear by adding something to it?

I have cities, but no houses. I have mountains, but no trees. I have water, but no fish. What am I?

Can you solve the below algebraic mathematical equation?

(J+O+I+N+T)3 = JOINT

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

You have three orange, two pink and five purple balls in the drawer beside your bed. There is no electricity and the room is entirely dark. How many balls must you take out to ensure at least one ball of each colour at least?

Complete the table series riddle by finding the number that can replace "??".

On the occasion of Diwali, online seller companies in India are offering a big discount on Iphone14 as below.

: Flipkart offers a Flat 65% discount
: Amazon offers a 10% discount over and over again.
: Shopclues offers RS.45,000 off.

If the original cost of the iPhone is Rs.70,000 Which is the best offer for you?

I start and end with 500 and carry a 5 in my heart. But I require the first letter and the first number to be complete. I am the name of a King.

Who am I ?

You have two rectangular wires.

Both of them have property that when you light the fire from one end , it will take 60 minutes to get completely burn.

However, they do not burn at consistent speed (i.e it might be possible 1st 20% burn in 50 minutes and 80% can burn in 10 minutes).

So how could you measure 45 minutes ?

Can you find out what is missing?

1 3 5
2 4 ?

Hint: It's not six. Think out of the box.