LCM and HCF 3 – Aptitude GK MCQ ( एलसीएम और एचसीएफ 3 )
Prepare for your upcoming competitive exams with our comprehensive collection of Multiple Choice Questions (MCQs) on LCM (Least Common Multiple) and HCF (Highest Common Factor). This dedicated page features carefully curated MCQs sourced from previous year papers of various sectors, including the prestigious UPSC IAS examination. By practicing these MCQs, you can enhance your understanding of LCM and HCF concepts, boost your problem-solving skills, and improve your chances of success in your exams.
Our vast repository of MCQs ensures that you have access to a wide range of question types and difficulty levels, mirroring the diversity and complexity of questions you may encounter in your exams. Each question has been meticulously selected to cover essential topics, theories, and problem-solving techniques related to LCM and HCF. This enables you to thoroughly revise the subject and gain confidence in your exam preparation.
Our team of subject matter experts has leveraged their experience and expertise to compile this extensive collection of MCQs. You can rely on the authenticity and relevance of the questions as they have been extracted from previous year papers of renowned exams across various sectors. By practicing these MCQs, you can familiarize yourself with the exam pattern, gain insights into the frequently tested topics, and improve your time management skills.
Take advantage of this invaluable resource to refine your knowledge, identify your strengths and weaknesses, and fine-tune your exam strategy. With our user-friendly interface, you can easily navigate through the MCQs, track your progress, and assess your performance. So, gear up for your exams with confidence and conquer the LCM and HCF section by practicing these meticulously crafted MCQs sourced from previous year papers of UPSC IAS and more
LCM and HCF 3 – Aptitude GK MCQ – Previous Year Questions
Question:
Three runners running around a circular track can complete one revolution in 2, 4 and 5.5 respectively. When will they meet at starting point ?
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Question:
Find the two numbers whose L.C.M. is 1188 and H.C.F. is 9 ?
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Question:
In a school 391 boys and 323 girls have been divided into the largest possible equal classes. So that there are equal number of boys and girls in each class. What is the number of classes ?
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Question:
The product of two number is 7168 and their H.C.F. is 16. find the sum of all possible numbers ?
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The Sum of two number is 1215 and their H.C.F is 81, how many pairs of such number can be formed ? Find them ?
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Question:
21 mangoes trees, 42 apples trees and 56 oranges trees have to be planted in rows such that each row contains the same number of trees one variety only. Minimum number of rows in which the above trees may be planted is ?
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Question:
Five bells begin to toll together and toll respectively at intervals of 6, 7, 8, 9 and 12 seconds. How many times they will toll together in one hour , excluding the one at the start ?
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Question:
Three different containers contain different qualities of mixtures of milk and water, whose measurement are 403 kg, 434 kg and 465 kg. What biggest measure must be there to measure all the different qualities exactly ?
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Question:
Three pieces of timber 42 m, 49 m and 63 m long have to be divided into planks of the same length, What is the greatest possible length of each plank ?
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Question:
Six bells commence tolling together and toll intervals of 2, 4, 6, 8, 10 and 12 seconds respectively. In 30 minutes, how many times do they toll together ?
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Question:
The least multiple of 7, which leaves a remainder of 4, when divided by 6, 9, 15 and 18 is ?
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Question:
The largest natural number, which exactly divides the products of any four consecutive natural numbers, is ?
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Question:
The traffic lights at three different road crossings changes after every 48 sec., 72 sec. and 108 sec. respectively. If they all change simultaneously at 8 : 20 : 00 hrs, then they will again change simultaneously at?
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Question:
Four metal rods of lengths 78 cm, 104 cm, 117 cm and 169 cm are to be cut into parts of equal length. Each part must be as long as possible. What is the maximum number of pieces that can be cut?
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Question:
There are five hobby clubs in a college viz. photography, yachting, chess, electronics and gardening. The gardening group meets every second day, the electronics group meets every third day, the chess group meets every fourth day, the yachting group meets every fifth day and the photography group meets every sixth day. How many times do all the five groups meets on the same day within 180 days?
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Question:
A, B and C start at the same time in the same direction to run around in 252s, B in 308s and C in 198s, all starting at the same point. After what time will they meet again at the starting point ?
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Question:
A man has four copper rods whose lengths are 52 m, 65 m, 78 m, 91 m, respectively. This man wants to cut pieces of same length from each of four rods. what is the least number of total pieces if he is to cut without any wastage ?
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Question:
A, B, and C start at the same time in the same direction to run around a circular stadium. A completes a round in 252s, B in 308s and C in 198s, all starting of the same point. After what time will they meet again at the string point ?
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Question:
A person has completely put each of three liquids 403 L of petrol, 456 L of diesel and 496 L of mobile oil in in bottles of equal size without mixing any of the above three types of liquids such that each bottle is completely filled. What is the least possible number of bottles required ?
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Question:
30 pineapple trees, 45 orange tree and 60 mango trees have to be planted in rows such that each row contains the same number of trees of one variety only. What is minimum number number of row in which the trees may be planted ?
