* குறிகளை வரிசையாக மாற்றவும், கொடுக்கப்பட்ட சமன்பாட்டை சமநிலைப்படுத்தவும் கணிதக் குறியீடுகளின் சரியான கலவையைத் தேர்ந்தெடுக்கவும்.

17 * 11 * 42 * 2 * 7 = 18

This question was previously asked in
SSC CGL 2022 Tier-I Official Paper (Held On : 02 Dec 2022 Shift 3)
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  1. - + ÷ ÷
  2. - + × ÷
  3. - + × ×
  4. + - + ×

Answer (Detailed Solution Below)

Option 2 : - + × ÷
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BODMAS

கொடுக்கப்பட்ட சமன்பாடு : 17 * 11 * 42 * 2 * 7 = 18

கேள்வியின் படி, அடையாளங்களை மாற்றுதல் * :

அதனால்,

  • விருப்பம் - (1) : - + ÷ ÷

17 - 11 + 42 ÷ 2 ÷ 7 = 18

17 - 11 + 21 ÷ 7 = 18

17 + 3 - 11 = 18

20 - 11 = 18

9 ≠ 18 (LHS ≠ RHS)

  • விருப்பம் - (2) : - + × ÷

17 - 11 + 42 × 2 ÷ 7 = 18

17 - 11 + 42 × 0.28 = 18

17 + 12 - 11 = 18

29 - 11 = 18

18 = 18 (LHS = RHS)

  • விருப்பம் - (3) : - + × ×

17 - 11 + 42 × 2 × 7 = 18

17 + 588 - 11 = 18

605 - 11 = 18

594 ≠ 18 (LHS ≠ RHS)

  • விருப்பம் - (4) : + - + ×

17 + 11 - 42 + 2 × 7 = 18

17 + 11 + 14 - 42 = 18

42 - 42 = 18

0 ≠ 18 (LHS ≠ RHS)

எனவே, "விருப்பம் - (2)" என்பது சரியான பதில்.
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