Math brainteasers from GMAT, 1

So, I also started preparing for this awesome GMAT exam. And now Saturday and Sunday mornings are devoted to studying which I haven’t been doing for years.So far, I try to learn concepts from Divisibility, Primes, Odds & Evens, Consecutive Integers and other amusing topics.

This is the first and test post in which I’d like to share few exercises that make me break some sweat. Let’s see if anybody is going to be interested. If yes, I might continue the series.

So, how about solving these 5 exercises?

 

One

Two

Three

Four (data sufficiency problem)

Five

Please, write down your answers in comments and share your own difficult problems.

3 Comments

    1. Well, unfortunately there is no A-E options for #1 & #2 one as they are taken from Manhattan guide practice set.And for #4 it’s the standard data sufficiency options set.

  1. Well, unfortunately there is no A-E options for #1 & #2 one as they are taken from Manhattan guide practice set.
    And for #4 it’s the standard data sufficiency options set.

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