Look at the picture and find out which square is not linked with any of the other squares.

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

Which wheel of car does not rotate when you turn your car right?

A father's child, a mother's child, yet no one's son.

Who am I?

In an Art Gallary, When the clock hit 11 am, Artist hung the painting number 30. When it struck 4 pm, he hung painting number 240 and when it struck 7:30 pm, he hung painting number 315.

Can you determine, which painting number will he hang when the time is 9:20 pm?

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

How is this possible?

Three fair coins are tossed in the air and they land with heads up. Can you calculate the chances that when they are tossed again, two coins will again land with heads up?

Solve the equation in the image by looking at the pattern closely.

It comprises roots which nobody sees,
Much taller than those trees,
Up and up it goes,
Still it never grows?

A patient was diagnosed with some ailment. He was given five different tablets to take at night at an interval of 15 minutes.

How long will it take the patient to consume all the five tablets?