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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