41. The L.C.M. of two
numbers is 495 and their H.C.F. is 5. If the sum of the numbers is 10, then
their difference is:
a) 12 b) 46
c) 70 d) 90
42. The product of the
L.C.M. and H.C.F. of two numbers is 24. The difference of two numbers is 2. Find
the numbers.
a) 2 and 4 b) 6 and 4
c) 8 and 6 d) 8 and 10
43. if the sum of two
numbers is 55 and the H.C.F and L.C.M. of these numbers are 5 and 120
respectively, then the sum of the reciprocals of the numbers is equal to:
a) 55/601 b) 601/55
c) 11/120 d) 120/11
44. The L.C.M. of two
numbers is 45 and times their H.C.F. if one of the numbers is 125 and the sum of
H.C.F. and L.C.M. is 1150, the other numbers is:
a) 215 b) 220
c) 225 d) 235
45. The H.C.F. and L.C.M. of
two numbers 50 and 250 respectively. If the first number is divided by 2, the
quotient is 50. The second number is:
a) 50 b) 100
c) 125 d) 250
46. The product of two
numbers is 1320 and their H.C.F. is 6. The L.C.M. Of the numbers is:
a) 220 b) 1314
c) 1326 d) 7920
47. Product of two co-prime
numbers is 117. Their L.C.M. should be:
a) 1
b) 117
c) Equal to their
H.C.F. d) Cannot be calculated
48. The L.C.M. Of three different numbers is 120. Which of
the following cannot be their H.C.F.?
a) 8 b) 12
c) 24 d) 35
49. The H.C.F. of three
different numbers is 120. Which of the following cannot be their H.C.F.?
a)24 b) 48
c) 56 d)60
50. The H.C.F. of two
numbers is 23 and the other two factors of their L.C.M. are 13 and 14. The larger of the two numbers is:
a) 276 b) 299
c) 322 d) 345
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