Forum: GMAT Math

Q1. In the figure shown, the measure of angle PRS is how many degrees greater than the measure of angle PQR? 5747 (1) the measure of angle QPR is 30∘ (2) the sum of the measures of angles PQR and PRQ is 150∘ A. Statement (1) ALONE is sufficient, but statement (2) alone is not sufficient B....

There are these 8 numbers in a set 9.4,9.9,9.9,9.9,10.0,10.2,10.2,10.5 The mean and standard deviation of the 8 numbers are 10.0 and 0.3 respectively, what percent of the 8 numbers are within 1 standard deviation of the mean? a) 90% b) 85% c) 80% d) 75% e)...

I am confused about the quickest way to go about this problem. The relation between Celsius (C) and Fahrenheit (F) temperature readings is given by the following formulas C=5/9(f-32) At what termperature are the Celsius and fahrenheit readings identical? a)-60 b)-40

when we say “consecutive integers”, it means numbers such as ...,1,2,3,4,5,6,7 or means numbers such as ...,1,2,3,4,5,6,7... and ...7,6,5,4,3,2,1... both?

A group of 5 has 2 sibling pairs in it. In how many ways can they sit around the round table such that no two siblings sit together?

Combinations, please see attached pic Anyone? Thks

If Jim earns x dollars per hour, it will take him 4 hours to earn exactly enough money to purchase a particular jacket. If Tom earns y dollars per hour, it will take him exactly 5 hours to earn enough money to purchase the same jacket. How much does the jacket cost? (1) Tom makes 20% less per...

A club has 6 men and 4 women. In how many ways can a committee that consists of 1 president,1 secretary and 1 treasurer be formed such that atleast one women is in the committee??

If x = (16^3 + 17^3 + 18^3 + 19^3), then x divided by 70 leaves a remainder of A = 0 B = 1 C = 3 D = 35 E = 69

I'm having a really hard time understanding this problem, any help would be greatly appreciated.. If (1/5)^m (1/4)^18 = 1 / 2(10)^35, then m = a) 17 b) 18 c) 34 d) 35 e) 36

I just began the arduous task of studying for the gmat exam, and I would like cut down on the time I'm spending on math problems. Do you guys and gals out there know of good math tricks that have helped you?

If P represents the product of the first 15 positive integers, then P is not a multiple of: a) 99 b) 84 c) 72 d) 65 e) 57 Explanations, anyone?

Please help me.

I am reasonable good at Quant,However i end up making stupid mistakes most of the time ,Due to which my score is suffered. Please suggest me the best approach to master the fundamentals in GMAT quant so that i would never make these stupid mistakes again. Would only OG help?I purchased...

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