Can you place three balls such that the equation shown in the picture holds true?

Why are televisions attracted to people?

A worker is to perform work for you for seven straight days. In return for his work, you will pay him 1/7th of a bar of gold per day. The worker requires a daily payment of 1/7th of the bar of gold. What and where are the fewest number of cuts to the bar of gold that will allow you to pay him 1/7th each day?

In a concert, Christina is performing a dance show with her group.
At 10:00, she and her crew were dancing in an absolutely straight line. At that time Christina was standing in 4th position from both the front and back end of the row.

What was the size of her crew?

It walks on 4 when its young, walks on 2 when it's older, and walks on 3 when its very old?

Can you find the odd one out from the below words ?

First Second Third Forth Fifth Sixth Seventh, Eighth Nine Ten Eleven Twelve.

Can you solve this amazing hard number series problem?
7, 8, 10, 12, 16, 18 ?

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

Which tank will fill first?

I have branches, but no fruit, trunk or leaves. What am I?