Why is Saturday stronger than Monday?

Irene killed hundreds of people mercilessly and yet the police were not able to put her behind the bars. Why?

There is a five-letter word which has 3 consonants(all are same) and 2 different vowels.
Also, something wrong is associated with the word.

Can you name it?

Name the three-letter word that can complete the below words:

A) L O _ _ _ E
B) E D U _ _ _ E
C) _ _ _ E R
D) _ _ _ T L E

Move three sticks of the spiral below to form a square.

How can I get the answer 24 by only using the numbers 8,8,3,3?

You can use the main signs add, subtract multiply and divide.

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

Solve The below Equation:

ALFA + BETA + GAMA = DELTA

I am a type of vehicle that has two wheels and is powered by humans. What am I?
Hint 1: You can ride me for exercise.
Hint 2: I am environment-friendly.

A mother is 21 years older than her child. In exactly 6 years from now, the mother will be exactly 5 times as old as the child.
Where's the father?