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Maths Puzzle
The H.C.F. of 9 , 12 , 18 and 21 is:
10 25 35 40
A.
3
5
B.
252
5
C.
3
1400
D.
63
700
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self Other Question
The L.C.M. of two numbers is 48. The numbers are in the ratio 2 : 3. Then sum of the number is:
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C. 40 D. 64
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A. 1 : 3 B. 2 : 3
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