I’m tall when I’m young, and I’m short when I’m old. What am I?

What word is represented by this rebus?

Can you solve below mathematical equation?

2^1234 - 2^1233

In two decks of cards, what is the least amount of cards you must take to be *guaranteed* at least one four-of-a-kind?

An infinite number of mathematicians are standing behind a bar. The first asks the barman for half a pint of beer, the second for a quarter pint, the third an eighth, and so on. How many pints of beer will the barman need to fulfill all mathematicians' wishes?

Lifeless eyes on my smiling face and watch your child's sleeping place. In their dreams they hold me tight. What am I?

When we see 2 but call 10?

When you say goodbye, I am what you need to tie.
I come as a couple and go wherever you run.
Who am I?

What word begins and ends with an E, but has only one letter?

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?