**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 (2015 edition or 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

**Official Guide for GMAT Quantitative Review (2nd edition)**

Problem Solving: 32, 63, 70, 81, 84, 104, 116, 129, 137, 148, 161

Data Sufficiency: 1, 14, 34, 41, 66, 74, 101, 103, 112, 118

Track your progress by entering answers directly into our free, downloadable GMAT Prep Now Improvement Chart for the Official Guide (**2015 edition or 13th edition**)