Three numbers which are co-prime to one another are such that the product of the first two is 551 and that of last two is 1073. The sum of the three numbers is:
Options:
A . 75
B . 81
C . 85
D . 89
Answer: Option C HCF of 551 and 1073 is 29. So second number is 29 First number = $$\frac{{551}}{{29}}$$ = 19 Third number = $$\frac{{1073}}{{29}}$$ = 37 So, Required Sum = 19 + 29 + 37 = 85
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