Find The Next Number in the series:

12 13 15 17 111 113 117 119 123 ?

How many times do a clock's hands overlap in a day ?

There are three houses in a straight row. One is red, one is blue, and one is white. The red house is left of the middle. The blue house is right of the middle. Where's the white house?

If you remove one from eleven, it becomes ten. If you remove one from nine, it becomes ten.

How is this possible?

Replace the question mark with the correct number below.

What comes
Once in a Year
Twice in a Month
4 times in a Week
6 times in a Day

Find out the number of circles in the given picture having Illusion

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.)

How many cubic feet of dirt are in a hole of one foot deep, three feet long, and two feet wide?

Who always enjoys poor health?