In a box, there is a jumble of 7 red balls, 6 blue balls, 5 green balls, and 4 yellow balls. What is the minimum number of balls, will you have to pick up so that you have at least 4 balls of the same colour?

In a town, there are four houses located at different distances from each other. Following are the distances:

The third house is 60 meters apart from the first house.
The fourth house is 40 meters apart from the second house.
The third house is 10 meters nearer to the fourth house than it is to the second house.

Can you find out the distance between the fourth and the first house?

Many have heard it, but nobody has ever seen it, and it will not speak back until spoken to. What is it?

If two's company, and three's a crowd, then whats four and five ?

Alpha is Beta's sister.

Gamma is a Beta mother.

Delta is Gamma's father.

Tango is Delta's mother.

Then,

How is Alpha related to Delta?

What is the next number in the series?

15 29 56 108 208 ?

What's a single-digit number with no value?

What number comes next in the series?

5 15 5 18 5 24 14 20 _

Can you find the next number in the sequence?

113 119 101 114 116 ?

They are three errirs in this question. Can you find them?