Easy Puzzles 

Workings

Hint
Consonants and vowels (AEIOU) are each worth something.

Answer
12 miles away.

Consonants are worth 2 and vowels (AEIOU) are worth 3.

Double-Checking
York
   3C + 1V = 3 x 2 + 3 = 9
London
   4C + 2V = 4 x 2 + 2 x 3 = 14
Manchester
   7C + 3V = 7 x 2 + 3 x 3 = 23
Leeds
   3C + 2V = 3 x 2 + 2 x 3 = 12

Workings

Hint
A little self promotion.

Answer
a.

From BrainBashers, the title of this website!

Workings

Hint
Albert is 6 years old.

Answer
10 years old.

The length of their name in years.

Workings

Hint
The sequence is related to prime numbers.

Answer
29.

Each term increases by the next prime number.