Problems on LCM & HCF Mcqs


Q.  LCM of 1/3, 5/6, 5/4, 10/7 is_________?

a. 10/7
b. 10
c. 10/11
d. 11/10


ANSWER: See Answer
 
LCM of numerators = 10

HCF of denominators = 1

=> 10/1 = 10
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MCQs:  Three numbers are in the ratio 3:4:5 and their L.C.M is 2400. Their H.C.F is:
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MCQs:  The L.C.M of two numbers is 48. The numbers are in the ratio 2:3. The sum of numbers is__________?
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MCQs:  Three numbers which are co-prime to each other are such that the product of the first two is 551 and that of the last two is 1073. The sum of the three numbers is________?
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MCQs:  The product of two numbers is 4107. If the H.C.F of these numbers is 37, then the greater number is_________?
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MCQs:  The ratio of numbers is 3:4 and their H.C.F is 4. Their L.C.M is__________?
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MCQs:  Three numbers are in the ratio 1:2:3 and their H.C.F is 12. The numbers are__________?
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MCQs:  The G.C.D of 1.08, 0.36 and 0.9 is________?
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MCQs:  Find the lowest common multiple of 24, 36 and 40.
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MCQs:  Find the highest common factor of 36 and 84.
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MCQs:  H.C.F of 4 * 27 * 3125, 8 * 9 * 25 * 7 and 16 * 81 * 5 * 11 * 49 is___________?
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MCQs:  1095/1168 when expressed in simplest form is:
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MCQs:  Which of the following has most number of divisors?
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MCQs:  252 can be expressed as a product of primes as_______________?
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MCQs:  Find the greatest number that, while dividing 47, 215 and 365, gives the same remainder in each case?
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MCQs:  Find the greatest number which, while dividing 19, 83 and 67, gives a remainder of 3 in each case?
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