Replace the question mark with the correct number, given the pair of numbers exhibits a similar relationship?

? : 3839 :: 11 : 1209

People make me, save me, change me, raise me. What am I?

I am a number I am not an odd number I am higher than 90 I am not higher than 100 If you subtract me from 100, you get nothing. What number am I?

They came out at night, without being called.
They lost at day, without being stolen.
Who are they?

Below rebus represent famous DiCaprio movie. Can you name it?

By including only four matchsticks in below picture, you have to make "Four Triangles And Two Squares"

Teacher ask the student

'Why are you standing on that chair in music class ?'.

what did student replied ?

There are two candles. Both will only burn exactly for an hour. How will you use these two candles to measure forty-five minutes?

Can you write down eight eights so that they add up to one thousand?

Rose, Lily and Jasmine decided to buy flowers for their moms on Mother's Day. One of them bought lilies, the other roses, and the third one jasmines.
'It's funny!' said the girl with roses, 'we bought roses, jasmines and lilies, but none of us bought the flowers matching her name'.
'You're right!', said Lily.
What kind of flowers did each of the girls buy?