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(1502)2 - (1498)2 = ?

This question was previously asked in
NPCIL Assistant Grade-1 (Advance) Official Paper-II (Held On: 08 Sept, 2018)
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  1. 22560
  2. 16000
  3. 12000
  4. 2256004

Answer (Detailed Solution Below)

Option 3 : 12000
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Detailed Solution

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Given:

(1502)2 - (1498)2 = ?

Formula used:

a2 - b2 = (a + b)(a - b)

Calculation:

(1502)2 - (1498)2 = (1502 + 1498)(1502 - 1498)

⇒ (1502 + 1498) × (1502 - 1498)

⇒ 3000 × 4

⇒ 12000

∴ The correct answer is option 3.

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Latest NPCIL Assistant Grade 1 Updates

Last updated on Mar 21, 2025

-> Nuclear Power Corporation of India Limited has published a comprehensive notification for the position of NPCIL Assistant Grade 1.

-> A total of 37 vacancies has been announced for the post of NPCIL Assistant Grade 1. Bookmark this page for all the latest updates.

-> Interested applicants can start submitting their online applications from 12 March 2025.

-> The application window will be closed on 1 April 2025. However the date of exam is yet to be notified.

-> Candidates can review the NPCIL Assistant Grade 1 Previous Year Papers, for better preparation!

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