Which flower has two lips?

A tree doubled in height each year until it reached its maximum height over the course of ten years. How many years did it take for the tree to reach half its maximum height?

A blonde put eyeliner on her head. Why?

There is a hypothetical state between the USA and Mexico border 'Tango'.
Here 70 percent of the population have defective eyesight, 75 percent are hard of hearing, 80 percent have Nose trouble and 85 percent suffer from allergies, what percentage (at a minimum) suffer from all four ailments?

What goes up but never comes down?

A finger goes in me. You fiddle with me when you're bored. The best man always has me first. What am I?

Move four matchsticks to the below square to form three squares?

John buys rice at Rs.60/kg from Britain and then sells them at Rs.5/kg in India. As a result of this, he becomes a millionaire. How come?

What word does this rebus represent?

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