What number comes next in this sequence:
7 8 5 5 3 4 4 _

Katniss and Peeta are liars. They both lie on some specific days.

Katniss lies on Fridays, Saturdays and Sundays. She speaks the truth on all other days.

Peeta lies on Tuesdays, Wednesdays and Thursdays. He speaks the truth on all other days.

Can you tell that one day of the week when both of them will say "Tomorrow, I will lie."?

Can you complete the sequence?

192, 021, 222, 324, 252, 627, 2__, 9__?

Below the four parts have been reorganised. The four partitions are exactly the same in both arrangements. Why is there a hole?

There are two dice with empty faces in front of you and a marker. You can mark any number on each of the faces of the two dice, but you have to display all 31 days of the month using the two of them.

Which numbers will you mark on which dice so that you can easily depict all the dates of the month?

Which statement is true out of the following?
One statement here is false.
Two statements here are false.
Three statements here are false.

A boy and his father are caught in a traffic accident, and the father dies. Immediately the boy is rushed to a hospital, suffering from injuries. But the attending surgeon at the hospital, upon seeing the boy, says 'I cannot operate. This boy is my son.' How is this situation explained?

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?

A man says, "Brothers and sisters, have I none, but that man's father is my father's son." Who is that man?

Can you solve this amazing hard number series problem?
7, 8, 10, 12, 16, 18 ?