GRE Math Numeric Entry Practice Test 04  1. A typist can type 45
words per minute. He increases his speed by 20 per cent. How
many words can he now type per hour ?  2. If 2y - x = 8 , and 3x
- y = 1, what is the value of x ?  3. The sum of four
consecutive integers is 410. What is the value of the least of
these integers?  4. On a map showing only four countries, A, B,
C and D, A shares a border with B and C. Country D shares a
border with B and C. But countries B and C and countries A and D
do not share borders. If the map requires different colours for
countries with common borders, what is the minimum number of
colours required to complete the map?  5. A square has sides s
and diagonal d. If 2s² + d² = 100, what is the value of s?  6.
Different four-letter passwords can be constructed using the
letters A, B, C and D only once. How many such passwords exist
if either C or B must be in second position?  7. A book
distributor sends out standardized packages weighing 1, 1.5 or 2
kilograms. If during one week 4