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Q: Three numbers which are co-prime to each other are such that the product of the first two is 119 and that of the last two is 391. What is the sum of the three numbers?

  • 1
    47
    Correct
    Incorrect
  • 2
    43
    Correct
    Incorrect
  • 3
    53
    Correct
    Incorrect
  • 4
    51
    Correct
    Incorrect
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Answer : 1. "47"
Explanation :

The H.C.F of 119 and 391 is =17

then 119/17=7, and 391/17=23

three number is 17, 7, 23 

the total number= 17+7+23=47

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