9% மற்றும் 17% என்ற இரண்டு தொடர்ச்சியான தள்ளுபடிகளுக்குச் சமமான தள்ளுபடி சதவீதம் எவ்வளவு?

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SSC CGL 2023 Tier-I Official Paper (Held On: 21 Jul 2023 Shift 3)
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  1. 27.53%
  2. 26.47%
  3. 26.00%
  4. 24.47%

Answer (Detailed Solution Below)

Option 4 : 24.47%
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கொடுக்கப்பட்டது:
 
9% மற்றும் 17% என்ற இரண்டு தொடர்ச்சியான தள்ளுபடிகளுக்கு சமமான தள்ளுபடி சதவீதம்
 
பயன்படுத்திய சூத்திரம்:
 
a % மற்றும் b % என்ற இரண்டு தொடர்ச்சியான தள்ளுபடிகளுக்கு சமமான ஒற்றைத் தள்ளுபடி
 

= (a + b - \(\frac{a \space × \space b}{100}\) ) %

கணக்கீடு:

இங்கு , a = 17 % , மற்றும் b =  9 %

எனவே, ஒற்றை தள்ளுபடி = (17 + 9 - \(\frac{17 \space × \space 9}{100}\)) %

⇒ (26 - 1.53) %

⇒ 24.47%

∴ சரியான பதில் 4

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