Christina has four daughters, and each of her daughters has a brother. How many children does Christina have?

Birbal was jester, counsellor, and fool to the great Moghul emperor, Akbar.
The villagers loved to talk of Birbal's wisdom and cleverness,
and the emperor loved to try to outsmart him.
One day Akbar (emperor) drew a line across the floor.
"Birbal," he ordered, "you must make this line shorter, but you cannot erase any bit of it."
Everyone present thought the emperor had finally outsmarted Birbal.
It was clearly an impossible task.
Yet within moments the emperor and everyone else present had to agree that Birbal had made the line shorter without erasing any of it.
How could this be?

What breaks yet never falls, and what falls yet never breaks?

You Throw The Outside, Cook The Inside
Eat The Outside, Throw The Inside.

What Is It?

Who is generally closer to the kids, mom or dad?

(it's a funny riddle)

Below, you can see some coding:
January = 1017
February = 628
March = 1335
April = 145
May = 1353
June = 1064
July = 1074
August = 186

Now deciphering the way it has been coded, can you find out how September will be coded?

How much will a 38° angle measure when looked at under a microscope that magnifies ten times?

Can you find the next number in the sequence?

113 119 101 114 116 ?

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

All of you like to eat me. I am a five-lettered word. Remove the first two and I turn into an infamous animal. Remove just the first and I become a heinous crime. Remove the first and the last and you can groove on me.

Can you guess who am I?