using four eights (8) and a one (1) and one mathematical symbol , create the number 100

Is the statement valid that it does not matter how much older a sibling is, eventually the younger one will be half as old as the older one?

Replace the question mark with the correct number below.

What number comes next in the series?

5 15 5 18 5 24 14 20 _

What is next number in the pattern below:

131 517 192 123 ?

Complete the following series. It.s very logical:

1, 4, 5, 6, 7, 9, 11, __?

When I asked a girl's name she told me her name is the date '07/09/2001'.

I thought for a few seconds and then I got her name. Do you?

There are three boxes which are labeled as Rs100, Rs150, and Rs200. One box contains two notes of Rs. 50. The second box contains one note of Rs50 and one note of Rs100 The third box contains two Rs. 100 notes. All boxes are labeled incorrectly.

What is the minimum number of boxes you must check in order to label all boxes correctly?

Something Extraordinary happened on May 6th 19778 at 12:34am what was that?

How many times in a given day, minutes and hour clock comes in a straight line ?