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Quantitative Aptitude Objective Questions { HCF and LCM }



33. The product of two numbers is 4107. If the H.C.F of these numbers is 37, then the greater number is :
A.101
B.107
C.111
D.185

34. The product of two numbers is 2028. If their H.C.F is 13. The number of such pairs is:
A.1
B.2
C.3
D.4

35. 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 thre numbers. is :
A.75
B.81
C.85
D.89

36. The L.C.M. of two numbers is 48. The numbers are in the ratio 2 : 3. The sum of the numbers is:
A.28
B.32
C.40
D.64

37. Three numbers are in the ratio of 3 : 4 : 5 and their L.CM. is 2400. Their H.C.F is :
A.40
B.80
C.120
D.200

38. The H.C.F. of two numbers is 11 and their L.C.M is 7700. If one of the numbers is 275, then the other is :
A.279
B.283
C.308
D.318

39. The sum of two numbers is 2000 and their L.C.M. is 21879. The two numbers are :
A.1993,7
B.1991,9
C.1989,11
D.1987,13

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