When I get multiplied by any number, the sum of the figures in the product is always me. What am I?

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 4-letter word can be written forward, backward or upside down, and can still be read from left to right?

When my father was 31 I was 8. Now he is twice as old as me. How old am I?

James Bond is caught up in a mysterious scenario where the evil villain has him blindfolded. He somehow breaks through the handcuffs but is unable to get the blindfold off. Upon searching, he comes across a bow and 3 arrows. He can hear the villain speak, and thus tries to take a shot at him. He launches the first arrow, it misses the villain. He then launches the second arrow and it misses by a greater margin.

What is the probability that this third shot our James bond takes will be worse than the second shot?

My cousin lives in one story house in Antarctica. His house is made the of-of sandstone. what is the color of stairs?

If you had a pizza with crust thickness 'a' and radius 'z', what's the volume of the pizza?

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

I’m tall when I’m young, and I’m short when I’m old. What am I?

What does the below rebus puzzle mean?