Random Puzzles 

Workings

Hint
How many miles are vowels (AEIOU) worth?

Answer
11,000 miles.

Each vowel (AEIOU) is worth 1,000 miles, each consonant is worth 2,000 miles.

Double-Checking
Ethiopia has 5 vowels (EIOIA = 5 x 1,000), and 3 consonants (THP = 3 x 2,000), for a total of 5,000 + 6,000 = 11,000 miles.

Workings

Hint
Try reversing the numbers.

Answer
891.

If we reverse each of the numbers we get:

   203 · 202 · 201 · 200 · 199 · ?

Which is counting down from 203, and the next number is 198, which is 891 when reversed.

Workings

Hint
Try fixing the number of children to see what happens.

Answer
92.

With 149 men and 259 women. The best way is to fix the number of children and play around with the numbers of the men and women to see what happens as these are changed. It soon becomes apparent how changing the children changes the answer and 92 is soon found.

Workings

Hint
How many chocolates can they eat in one hour?

Answer
2 hours.

Reasoning
In one hour, Alex eats 27 chocolates, Billie eats 12, and Charlie eats 21.

A total of 60 chocolates.

Therefore, 120 chocolates would take 2 hours.