Question
Download Solution PDFदो संख्याओं में 5 का अंतर है। यदि उनका गुणनफल 336 है, तो दोनों संख्याओं का योग क्या है?
This question was previously asked in
WEBCSC 05/2021 Common Official Paper (Morning Shift)
Answer (Detailed Solution Below)
Option 3 : 37
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WEBCSC Assistant : General Knowledge and Current Affairs
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20 Questions
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Detailed Solution
Download Solution PDFदिया गया है:
x - y = 5
xy = 336
प्रयुक्त सूत्र:
(x + y)2 = (x - y)2 + 4xy
गणना:
मान लीजिए x और y दो संख्याएँ हैं।
(x + y)2 = (x - y)2 + 4xy
⇒ (x + y)2 = 52 + 4 × 336
⇒ (x + y)2 = 25 + 1344
⇒ (x + y)2 = 1369
⇒ (x + y) = √1369 = 37
इस प्रकार, दो संख्याओं का योग = 37
∴ सही उत्तर विकल्प (3) है।
Last updated on Feb 4, 2025
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