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difference between permutation and combination

Difference between Permutation and Combination explained with examples

Permutations and Combinations is a topic full of conundrums. The biggest one is, understanding the difference between permutation and combination. Should I solve this...
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Permutation and Combination | Avoid these 3 Mistakes | GMAT Quant

Like any GMAT Quant topic, Permutation and Combination has its own traps. Most students fall in these traps and ultimately, are not able to secure their target GMAT score....
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GMAT Permutation and Combination | When to Add and Multiply

Are you always confused whether to add or multiply the cases while solving GMAT permutation and combination questions? Do you often get questions incorrect simply because...

If p, r, and s are consecutive integers in ascending order and x is the average (arithmetic mean) of the three integers – OG 2020 Question #304 with Solution

OG 2020: Question No. 304 If p, r, and s are consecutive integers in ascending order and x is the average (arithmetic mean) of the three integers,...
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The dimensions of a ream of paper are 8 1/2 inches by 11 inches by 2 1/2 inches. The inside dimensions of a carton that will hold exactly 12 reams of paper could be – OGQR 2020 Question #93 with Solution

OGQR 2020: Question No. 93 The dimensions of a ream of paper are 8 1/2 inches by 11 inches by 2 1/2 inches. The inside dimensions of a...

Consider the following set of inequalities: p > q, s > r, q > t, s > p, and r > q. Between which two quantities is no relationship established? – OGQR 2020 Question #81 with Solution

OGQR 2020: Question No. 81 Consider the following set of inequalities: p > q, s > r, q > t, s > p, and r > q. Between which two...

In the figure above, is the area of triangular region ADE equal to the area of rectangular region ABCD? – OGQR 2020 Question #206 with Solution

OGQR 2020: Question No.206 In the figure above, is the area of the triangular region ADE equal to the area of rectangular region ABCD? x = 10...

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If Car A took n hours to travel 2 miles and Car B took m hours to travel 3 miles, which of the following expresses the time it would take Car C, traveling at the average (arithmetic mean) of those rates, to travel 5 miles? – OGQR 2020 Question #79 with Solution

A < 1 min read OGQR 2020: Question No. 79 If Car A took n hours to travel 2 miles and Car B took m hours to travel 3 miles, which of the following expresses the time it would take Car C, traveling at the average (arithmetic...

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