HCF & LCM of numbers
Are you preparing for campus placements,Banking,SSC, IAS, Insurance,Defence and other competitive exams? Then, make sure to take some time in practicing the LCM & HCF questions and answer in Quantitative Aptitude. Moreover, only those questions are included that are relevant and likely to be asked in any competitive exam. So, take these questions and answer, brush up your skills and practice to stay fully prepared for any your exam.

Q1.Find the L.C.M. of $$\frac{108}{375},1\frac{17}{25},\frac{54}{55}=?$$
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Q2.For how many value of ‘P’ the LCM of P and 20 will be 40.
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Q3.Find the greatest number of 4 digits and the least number of 5 digits that have as their H.C.F. 147
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Q4.There is a number greater than 1 which when divided by 4, 5 and 6 leaves the same remainder of 3 in each case. Find the largest number, smaller than 1000 which satisfy the given condition.
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Q5.Find the largest number which can exactly divide 216, 252, 294
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Q6.A rectangular courtyard 15 meters17 cms long 9 meters and 2 cms wide is to be paved exactly with square tiles, all of the same size. What is the largest size of the tile which could be used for the purpose?
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Q7.Ram wants to utilise his unused field and plan to plant some trees, he plant 88 guava trees, 132 papaya trees and 220 sugarcane trees in equal rows (in terms of number of trees). Also, he wants to make distinct rows of trees (i.e. only one type of tree in one row).Calculate the minimum number of rows?
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Q8.Five forms of dance are taught in a dance academy, viz, Salsa, Contemporary, Hip Hop, Kathak and Bharatnatyam. The Bharatnatyam Group meets every second day, the Kathak Group meets every third day, the Hip Hop Group meets every fourth day, the Contemporary Group meets every fifth day and the Salsa Group meets every sixth day. How many times do all the five groups meet on the same day within 360 days?
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Q9.Six archers shoot arrows at a target at an interval of 4, 5, 6, 8, 10 and 12 seconds respectively. The number of times they would shoot the arrows together at the target in an hour is:
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Q10.A token machine generates token every 15 minutes. A second token machine generates after every 18 minutes. A third token machine generates after every 24 minutes. If all the three machines generates token at the same time at 10 o'clock in the morning, at what other time will they generate tokens together?
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