SSC GD Constable previous year question
Find the third proportional of 20 and 25.
Asked in SSC GD Constable 2025: 12 Feb 2025 Shift 1 (Morning) · Quantitative Aptitude
Tap an option to check your answer.
Show answer and explanation
Correct answer: (C) 31.25
Third proportional x satisfies 20:25 :: 25:x, so x = 25²/20 = 625/20 = 31.25.
हिंदी में प्रश्न
20 और 25 का तृतीयानुपाती ज्ञात कीजिए।
उत्तर जाँचने के लिए किसी विकल्प पर टैप करें।
उत्तर और व्याख्या देखें
सही उत्तर: (C) 31.25
तृतीयानुपाती x के लिए 20:25 :: 25:x, अतः x = 25²/20 = 625/20 = 31.25।
More solved Quantitative Aptitude questions
- 400 mangoes were bought at the rate of ₹1210 per hundred and sold at a profit of ₹960. Find the selling price per dozen mangoes (in ₹).
- The simple interest on a certain principal at a rate of 5% per annum for a period of 2 years is ₹284. Find the principal (in ₹).
- 400 guavas were bought at ₹1240 per hundred and sold at a profit of ₹940. Find the selling price per dozen guavas (in ₹).
- Simple interest of ₹531 is earned on a certain principal at 9% p.a. for 5 years. Find the principal (in ₹).
- Find the value of 68 − 6 × [4 + 4 × {12 − 4(6 − 5) × 3} ÷ 15].
- The population of a town increases at 8% per annum. If the current population is 45,000, what will its population be after 2 years?