Payal Tandon
Co-founder, e-GMAT

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I am Payal, Co-Founder of e-GMAT.

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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....

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...

GMAT Probability | 3 deadly mistakes to avoid | GMAT Quant

When it comes to GMAT Quant, Probability is like the 'iceberg' with which the Titanic collided, and the 'so-called' unsinkable ship, sunk. Falling in GMAT Probability...

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...

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...

GMAT Probability | 3 deadly mistakes to avoid | GMAT Quant

When it comes to GMAT Quant, Probability is like the 'iceberg' with which the Titanic collided, and the 'so-called' unsinkable ship, sunk. Falling...

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....

If S is a set of odd integers and 3 and –1 are in S, is –15 in S? – OG 2020 Question #290 with Solution

If S is a set of odd integers and 3 and –1 are in S, is –15 in S? 5 is in S. Whenever two numbers are in S, their product is in S. Solution Steps 1...