SSC GD Constable Premium Mock Test 01 – Question 43

Question:

The ratio between two numbers is 19 : 24. If each number is reduced by 36, the ratio becomes 3 : 4. Find the sum of the numbers.

दो संख्याओं के बीच का अनुपात 19 : 24 है। यदि प्रत्येक संख्या में से 36 घटा दिया जाए, तो अनुपात 3 : 4 हो जाता है। संख्याओं का योग ज्ञात कीजिए।

Options:

  • 387
  • 305
  • 238
  • 295
  • 387
  • 305
  • 238
  • 295

Correct Answer: (a)

Explanation:

Detailed Explanation: Let numbers be 19x and 24x. (19x – 36)/(24x – 36) = 3/4 => 4(19x – 36) = 3(24x – 36) => 76x – 144 = 72x – 108 => 4x = 36 => x = 9. Sum = 19x + 24x = 43x = 43 × 9 = 387.

विस्तृत व्याख्या: माना संख्याएँ 19x और 24x हैं। (19x – 36)/(24x – 36) = 3/4 => 76x – 144 = 72x – 108 => 4x = 36 => x = 9। संख्याओं का योग = (19 + 24) × 9 = 43 × 9 = 387।

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