Question

There are three sets of numbers
A= { 3,6,9 } ; B= { 5,7,9 } ; C={ 7,8,9 }
Three different numbers are selected, one from each set shown above. What is the greatest sum that these three numbers could have ?​

Answer 1

Largest number in Set A not equal to the other sets

= 6

Largest number in Set B not equal to the other sets

= 5

Largest number in Set C not equal to the other sets

= 8

Sum = 6+5+8

= 19

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Answer 2

From the given question the correct answer is :

There are three sets of numbers

A= { 3,6,9 } ; B= { 5,7,9 } ; C={ 7,8,9 }

Three different numbers are selected, one from each set as shown below:

Largest number in Set A not equal to the other sets

= 6

Largest number in Set B not equal to the other sets

= 5

Largest number in Set C not equal to the other sets

= 8

The greatest sum that these three numbers could have

Sum = 6+5+8

= 19