Why Aeroplane windows are round?

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?

Find the next number in the series?
2, 12, 36, 80, 150, 252, 392, _ ?

Using exactly three matchsticks, can you divide the area into two equal parts?

Solve The below Equation:

ALFA + BETA + GAMA = DELTA

Luis Garavito killed Density x Volume.

Who is Luis Garavito ?

There was a blind beggar living on the footpath of a street. Suddenly one day, the beggar's brother died. What was the relation of the blind beggar with the person who died?

PS: Brother is not the answer.

Replace all '*' with digits 1, 2, 3, 4, 5 and 6 to make below statement true.

* *
x *
=====
* * *

I possess a head

I flaunt a tail

But I don't have mouth or legs

Can you find out who I am?

What does this rebus means ?