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

You have two buckets - one holds exactly 5 gallons and the other 3 gallons. How can you measure 4 gallons of water into the 5 gallon bucket?

(Assume you have an unlimited supply of water and that there are no measurement markings of any kind on the buckets.)

Use the numbers 2, 3, 4 and 5 and the symbols + and = to make a true equation. Conditions: Each must be used exactly once and no other numbers or symbols can be used.

In the Mexico City area, there are two Houses H1 and H2. Both H1 and H2 have two children each.
In House H1, The boy plays for Mexico Youth academy and the other child plays baseball.
In House H2, The boy Plays soccer for his school in Mexico and they recently have a newborn.

Can you prove that the probability of House-H1 having a girl child is more than that of House-H2?

What is in seasons, seconds, centuries and minutes but not in decades, years or days?

Before Balboa discovered the Pacific Ocean, which was the largest ocean before that?

You are given four results as below:
1111 = F
2222 = E
3333 = T
Then, can you find out how to code 4444?

If you had a pizza with crust thickness 'a' and radius 'z', what's the volume of the pizza?

What three numbers, none of which is zero, give the same result whether they’re added or multiplied?

What does this mean?

CCCCCCC