What is the fewest number of coins that would be required in order to make sure each and every coin touches exactly three other coins?

I am weightless, but you can see me. Put me in a bucket, and I'll make it lighter. What am I?

I am the fastest animal but cannot climb the tree. What am I?

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?

Sherlock Holmes was challenged to make a pre-drawn line smaller without erasing it. He did it in fractions of seconds. How?

The square root of number 121 is "11". What is the square root of the number "12345678987654321."?

What is both possible and impossible at the same time?

By using 'because' continuously three times, can you make an English statement ?

What is so fragile that saying its name breaks it?

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

What is it?