Self Maths Puzzle Numerical Ability LCM and HCF

The HCF of 2472 ,1284 and a tthird number N is 12.If their LCM is 2^33^25^1103107 the number N could be

a) 2^23^27^1 b)2^23^3103
c) 2^23^25^1 d) none

Read Solution (Total 4)

a)2472,1284,252 hcf is 12
8 years agoHelpfull: Yes(0) No(1)

(c) 2^2*3^2*5^1
8 years agoHelpfull: Yes(0) No(1)
c
ans is c
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d) none of these
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Self Other Question

if a+b+c = 0
then find out,
a^3+b^3+c^3 -3abc = ? 17, 27, 44, 64, 108, 138, .....