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Class 7 Mathematics questions and answers on LCM, GCD and HCF

The following are prime factors of three numbers:
(i) $2^2times 3^2$
(ii) $2^3times 5$
(iii) $2^4times 3^2$
What is the LCM of the three numbers?
A. 4
B. 30
C. 180
D. 720

(8m 25s)

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