SSC GD Constable previous year question
The sum of three numbers is 123. If the ratio between the first and second is 3:4 and that between the second and third is 3:5, then find the second number.
Asked in SSC GD Constable 2024: 22 Feb 2024 Shift 2 · Quantitative Aptitude
Tap an option to check your answer.
Show answer and explanation
Correct answer: (D) 36
Scaling second to 12: first:second=9:12, second:third=12:20. Sum=41 units=123 ⟹ 1 unit=3. Second number = 12×3 = 36.
हिंदी में प्रश्न
तीनों संख्याओं का योग 123 है। यदि पहली और दूसरी संख्या के बीच का अनुपात 3 : 4 है और दूसरी और तीसरी संख्या के बीच का अनुपात 3 : 5 है, तो दूसरी संख्या ज्ञात कीजिए।
उत्तर जाँचने के लिए किसी विकल्प पर टैप करें।
उत्तर और व्याख्या देखें
सही उत्तर: (D) 42
Scaling second to 12: first:second=9:12, second:third=12:20. Sum=41 units=123 ⟹ 1 unit=3. Second number = 12×3 = 36.
More solved Quantitative Aptitude questions
- Manish alone can complete a work in 48 days and Pratap alone can complete the same work in half the time taken by Manish. In how many days…
- After giving a 10 percent discount on an article there is still a profit of 10 percent. What will be the profit percentage when no…
- How many spherical balls of radius 8 cm can be made by melting a hemisphere of radius 48 cm?
- A person bought an article and sold it at a loss of 20 percent. If he had bought it for 30 percent less price and sold it for Rs. 125…
- Simple interest on a sum for 5 years is equal to 20 percent of the principal. In how many years will the interest be equal to the principal?
- The ratio of three numbers is 6 : 8 : 9. If the sum of the three numbers is 460, then what is the largest number among the three numbers?