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Aptitude - Problems on H.C.F and L.C.M

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  • General Questions
"Hold a true friend with both hands."
- (Proverb)
6. 

The product of two numbers is 4107. If the H.C.F. of these numbers is 37, then the greater number is:

A. 101B. 107
C. 111D. 185

7. 

Three number are in the ratio of 3 : 4 : 5 and their L.C.M. is 2400. Their H.C.F. is:

A. 40B. 80
C. 120D. 200

8. 

The G.C.D. of 1.08, 0.36 and 0.9 is:

A. 0.03B. 0.9
C. 0.18D. 0.108

9. 

The product of two numbers is 2028 and their H.C.F. is 13. The number of such pairs is:

A. 1B. 2
C. 3D. 4

10. 

The least multiple of 7, which leaves a remainder of 4, when divided by 6, 9, 15 and 18 is:

A. 74B. 94
C. 184D. 364




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