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- GMAT Video Course
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- General GMAT Strategies - 7 videos (all free)
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- Powers and Roots - 36 videos (some free)
- Algebra and Equation Solving - 73 videos (some free)
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- Reading Comprehension - 10 videos (all free)
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- Integrated Reasoning - 17 videos (some free)

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## Comment on

Squaring Numbers Ending in 5## Does this work if the base is

## Yes. Keep in mind that x² = (

Yes. Keep in mind that x² = (-x)².

For example, 3² = 9, and (-3)² = 9.

Likewise, 35² = (-35)² = 1225, and 65² = (-65)² = 4225

## Sir, How can we Find Last 2

## The last (units) digit is

The last (units) digit is pretty straightforward, but in most cases, the last 2 digits is outside the scope of the GMAT.

## Does this technique is also

## Good question.

Good question.

The answer is no; the technique can't be extended to powers other than 2.

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