A man dies of old age on his 25 birthday. How is this possible?

They are the five precious gems of an everyday sort and all can be found on a Tennis Court. Who are they?

One is to three as three is to five and five is to four and four is the magic number.
What is the pattern?

Three brothers Jacob, John, and James live in Mexico City. The product of the ages of these brothers is 175. Jacob and John are twins. How old is James?

Which city is three-fifths chick two third cat and 50% goat?

Two men play a dice game involving roll of two standard dice. Man X says that a 12 will be rolled first. Man Y says that two consecutive 7s will be rolled first. The men keep rolling until one of them wins.

What is the probability that X will win ?

Can you decipher the below rebus?

PBLUESAISNUERSES

You may enter, but you may not come in. I have space, but no room. I have keys, but open no lock. What am I?

If nine thousand, nine hundred nine dollars is written as $9,909,
how should twelve thousand, twelve hundred twelve dollars be written?

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?