Name one eight-letter word with 'kst' in the middle, 'in' the beginning, 'and' at the end.?

1 + 9 + 8 = ?
considering, 28 + 8 + 92 = 10

Cristina was born in 1888. She just had her 30th birthday today how did that happen?

How can you make the following equation true by drawing only one straight line: 5+5+5=550 ?

The doctor prescribed you to take one pill from the bottle every half an hour. The bottle is now left with only three pills.

How long do you think you have before you run out of pills?

In a rainy season, one day 3 huge ladies walked under a normal-sized umbrella.
The umbrella is not huge enough to accommodate all 3 ladies yet not a single lady got wet. Why?

A pond had 60 fish, out of which, all but 20 died.
How many fishes are now present in that pond?

Two girls were born to the same mother, on the same day, at the same time, in the same month and year and yet they're not twins. How can this be ?

If,
29 - 1 = 30
9 - 1 = 10
14 - 1 = 15

Based on similar logic, Can you prove that the below algebraic equation is true?
11 - 1 = 10 ?

A girl rode into a tourist spot out of the city on Thursday. She loved the place and decided to stay for a few days. She stayed for four days and then she left for back home on Thursday.

How can this be possible?