**Additional Practice**

__Problem Solving__** (level of difficulty: 350 to 500) **

Calvin’s chemistry grade

Public transportation

1.75 standard deviations

Change in mean

Voltage readings

__Problem Solving__** (level of difficulty: 500 to 650)**

List S and list T

Money spent at dinner

Beef and veal

Homes in town X

Q consecutive integers

Median and range of 25

Sum of the two smallest

Combined averages

Average of four numbers

Change in standard deviation

__Problem Solving__** (level of difficulty: 650 to 800)**

Cricket player

College theses

82 consecutive odd integers

Tom’s diet

Seven distinct integers

21 different numbers

__Data Sufficiency__** (level of difficulty: 350 to 500)**

Eleven consecutive integers

Standard deviation of set Q

Shipment of oranges

Is x less than 16?

__Data Sufficiency__** (level of difficulty: 500 to 650)**

Shelves J and K

Set K

Does mean = median?

__Data Sufficiency__** (level of difficulty: 650 to 800)**

Employed or over 65

Comparing salaries

**Practice from the Official Guides**

**Official Guide for GMAT Review (2016 edition)**

Problem Solving: 10, 15, 20, 32, 79, 88, 111, 112, 124, 131, 133, 137, 157, 170, 196, 212

Data Sufficiency: 14, 45, 47, 88, 92, 103, 110, 123, 124, 132, 135, 138, 152, 155, 157, 162

**Official Guide for GMAT Review (2015/13th edition)**

Problem Solving: 12, 16, 30, 53, 67, 91, 101, 109, 112, 132, 145, 183, 208

Data Sufficiency: 20, 37, 38, 70, 84, 87, 95, 109, 110, 120, 121, 123, 139, 143, 146, 154

Track your progress by entering answers directly into our free, downloadable Improvement Chart for the Official Guide 2016 edition or the Official Guide 2015/13th edition.