Question Detail What will be the LCM of 8, 24, 36 and 54 54108216432 Answer: Option CExplanation:LCM of 8-24-36-54 will be 2*2*2*3*3*3 = 216 Similar Questions : 1. Find the HCF of \begin{aligned} 2^2 \times 3^2 \times 7^2, 2 \times 3^4 \times 7 \end{aligned} 128126146434 Answer: Option BExplanation:HCF is Highest common factor, so we need to get the common highest factors among given values. So we got 2 * 3*3 * 7 2. The H.C.F. and L.C.M. of two numbers are 12 and 5040 respectively If one of the numbers is 144, find the other number 400256120420 Answer: Option DExplanation:Solve this question by using below formula. Product of 2 numbers = product of their HCF and LCM 144 * x = 12 * 5040 x = (12*5040)/144 = 420 3. LCM of two numbers is 7700 and HCF is 11. If one number is 308 then other number is 269285300275 Answer: Option D 4. Which greatest possible length can be used to measure exactly 15 meter 75 cm, 11 meter 25 cm and 7 meter 65 cm 45cm255cm244cm55cm Answer: Option AExplanation:Convert first all terms into cm. i.e. 1575 cm, 1125cm, 765cm. Now whenever we need to calculate this type of question, we need to find the HCF. HCF of above terms is 255. 5. Find the largest number which divides 62,132,237 to leave the same reminder 30323545 Answer: Option CExplanation:Trick is HCF of (237-132), (132-62), (237-62) = HCF of (70,105,175) = 35 Read more from - HCF and LCM Questions Answers