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If '+' means '-', '-' means '×', '×' means '÷', and '÷' means '+', then what is the value of 40 ÷ 360 × 24 - 4 + 18 = ?

This question was previously asked in
NPCIL Assistant Grade-1 (Advance) Official Paper-II (Held On: 08 Sept, 2018)
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  1. 82
  2. 72
  3. 90
  4. 118

Answer (Detailed Solution Below)

Option 1 : 82
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Detailed Solution

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BODMAS

Decoding signs:

Original Sign + ÷ × –
Stands For - + ÷ × 

Given E×pression: 40 ÷ 360 × 24 - 4 + 18

Decoding the e×pression:

⇒ 40 + 360 ÷ 24 × 4 - 18

⇒ 40 +  60 - 18

⇒ 100 - 18 = 82

Hence, the correct answer is "Option 1".

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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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