SSC GD Constable previous year question
Find the LCM of 56, 30, 108 and 120.
Asked in SSC GD Constable 2025: 04 Feb 2025 Shift 3 (Evening) · Quantitative Aptitude
Tap an option to check your answer.
Show answer and explanation
Correct answer: (D) 7560
Prime factorising 56=2³×7, 30=2×3×5, 108=2²×3³, 120=2³×3×5; taking highest powers gives LCM = 2³×3³×5×7 = 7560.
हिंदी में प्रश्न
56, 30, 108 और 120 का लघुत्तम समापवर्तक (LCM) ज्ञात कीजिए।
उत्तर जाँचने के लिए किसी विकल्प पर टैप करें।
उत्तर और व्याख्या देखें
सही उत्तर: (D) 7560
56=2³×7, 30=2×3×5, 108=2²×3³, 120=2³×3×5 के अभाज्य गुणनखंड लेने पर सबसे बड़ी घातों का LCM = 2³×3³×5×7 = 7560 प्राप्त होता है।
More solved Quantitative Aptitude questions
- If the cost price of a camera is 75% of its selling price, then what is the profit percentage?
- 400 apples were bought at the rate of ₹1200 per hundred and sold at a profit of ₹800. Find the selling price (in ₹) per dozen apples.
- Find the value of: [(23 × 5) × {6 ÷ 6 × ((18 − 14))/4}]
- The LCM and HCF of two numbers are 66 and 11, respectively. If one of the numbers is 33, find the other number.
- The ratio between two numbers is 19 : 24. If 36 is subtracted from each number, the ratio becomes 3 : 4. Find the sum of the numbers.
- If the marked price of an item is ₹7,895 and the discount offered is 4.2%, find the selling price (in ₹).