offers hundreds of practice questions and video explanations. Go there now.

Archive | Sequences

Challenging GMAT Math Practice Questions

Here are fifteen challenging questions for GMAT math practice with explanations. Can you keep the GMAT Quant pace, doing these in under 90 seconds each?

GMAT Practice Problems: Sequences

Here are eight practice problems on Sequences. 14, 23, 32, 41, 50, 59, … 1) In the sequence above, each term is 9 more than the previous term.  What is the 40th term of the sequence? (A) 360   (B) 365   (C) 369   (D) 374   (E) 383 2) What is the difference […]

GMAT Quant: Difficult Units Digits Questions

First, a couple 800+ practice questions (yes, you read that right – 800+) on which to whet your chops. 1) The units digit of  is: (A) 1 (B) 3 (C) 5 (D) 7 (E) 9 2) The units digit of is: (A) 2 (B) 4 (C) 6 (D) 8 (E) 0 3) The units digit […]

GMAT Quant: Must Be True Problems

First, try these challenging GMAT practice problems. Give yourself a strict time-limit of six minutes for the set. 1) If A is a number, which of the following must be true for any A? 2) If F and G are integers, with F < G, which of the following must be true? 3) If J […]

Sequences on the GMAT

Understand how to handle these tricky upper level Quant problems!  Definitions A sequence is a list of numbers that follow some mathematical patterns.  More formally, a sequence is a function whose inputs are limited to the positive integers.  Terms are denoted by a letter for the whole sequence, and in the subscript, the index, which […]