Why are all black people so quick ?

Can you think of a smallest +ve number such that if we shuffle the digits of the number, the new number becomes double the original number?

When is the top of a mountain similar to a savings account?

I have 50 feet long of cloth, I need to create 50 handkerchiefs each size of 1 foot. I take one minute to cut a 1-foot handkerchief. So how long will it take to cut 50 handkerchiefs?

How much will a 38° angle measure when looked at under a microscope that magnifies ten times?

By what process could you make a 'Tea-Table' into food?

A rain drop fell from one leaf to another leaf and lost 1/4th of its volume. It then fell to another leaf and lost 1/5th of the volume. It again fell on another leaf and lost 1/5th of the volume.



This process kept repeating till it fell on the last leaf losing 1/75th of its volume.



Can you calculate the total percentage of loss from the initial volume when the drop has fallen to the last leaf accurate up to two decimal places?

How many triangles can you find in this given picture?

Two in a corner, one in a room, zero in a house, but one in a shelter. What is it?

Which five letter word can be added at the end of below word to form a
valid word?

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