1 dollar = 100 cent
= 10 cent x 10 cent
= 1/10 dollar x 1/10 dollar
= 1/100 dollar
= 1 cent

=> 1 dollar = 1 cent

solve this tricky problem?

Complete the table series riddle by finding the number that can replace "??".

What is the next number in this series?

4,12,84,3612....

Solve below rebus puzzle?

You see me once in June, twice in November, and not at all in May. What am I?

What do you call a fish without an eye?

I am weightless, but you can see me. Put me in a bucket, and I'll make it lighter. What am I?

He runs but never walks. Murmurs, but never talks. Has a bed, but never sleeps. And has a mouth, but never eats?

Find a 9-digit number, which you will gradually round off starting with units, then tenth, hundred etc., until you get to the last numeral, which you do not round off. The rounding alternates (up, down, up ...). After rounding off 8 times, the final number is 500000000. The original number is commensurable by 6 and 7, all the numbers from 1 to 9 are used, and after rounding four times the sum of the not-rounded numerals equals 24.

How can you drop a raw egg from a height onto a concrete floor without cracking it?