Can you fill the blank with the correct number?

6 30 870 756030 _____

You walk into a room where there are three primates held in their respective cages:
1) A lion who is eating the flesh of a goat.
2) An orangutan who is playing with blocks.
3) A donkey who is sitting idle.

Who is the most intelligent primate in the room?

We know that money can be names differently for the purpose it is used for. Some of the examples of money given at following places or for following activities:

In temple = Daan
In school = Fees
During marriage = Dowry
For divorce = Alimony
Paying government = Tax
In court = Fine
Employer to employee = Salary
To kidnappers = Ransom
For illegal reason = Bribe
To civil servant retirees = Pension

Do you know what do we call the money a husband gives to his wife?

Which fur should we be getting from the Lion?

Sally lives in a place where six months of the year is mild summer and the temperature drops significantly the other six months. She owns a lake where there is a small island. She wants to build a house on the island and needs to get materials there. She doesn’t have a boat, plane, or anything to transport them to the island. How does Sally solve this problem?

If your uncle’s sister is not your aunt, what relation is she to you?

In 1990, a person is 15 years old. In 1995, that same person is 10 years old. How can this be?

Can you name some countries which do not have the alphabet 'A' in them?

What four weights can be used to balance from 1 to 30 pounds?

Can you count the number of squares in the figure below?