Which of the following is the output of

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Target Exam

CUET

Subject

General Test

Chapter

Numerical Ability

Topic

Number System (1)

Question:

Which of the following is the output of 495 * 495 - 105 * 105?

Options:

234000

350000

300000

360000

Correct Answer:

234000

Explanation:

We can also write the above expression as follows:

(500 - 5)² - (100 + 5)²

(500² + 5² - 2 x 500 x 5 ) - (100² + 5² + 2 x 100 x 5)

(250000 + 25 - 5000) - (10000 + 25 + 1000)

245025 - 11025

234000