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(9)=3*9
(6)=6/2
(9)*(6)=81
The only one which gives 81 is (27):
(27)=27*3=81 because 27 is odd so we use the formula (m)=3m
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Gmatprep question
Source: Beat The GMAT — Problem Solving |
9 is odd so we have to use the formula for odd numbers: (m)=3m
Now we can calculate: (9)=3*9=27
6 is even so we have to use the formula for even numbers (m)=m/2
Now we can calculate: (6)=6/2=3
What they asked us is the value of (9)*(6). We have the values of each one so we only have to multiply them.
(9)*(6)=27*3=81
Now we have a list of (m) numbers some are even, some are odd, when they are odd you do (m)=3m and when they are even you (m)=m/2
You can calculate all of them and find the result for each one, the result which indicates you the right answer is the result of (9)*(6), I mean 81.
The only one which gives 81 is (27):
(27)=27*3=81 because 27 is odd so we use the formula (m)=3m
Now we can calculate: (9)=3*9=27
6 is even so we have to use the formula for even numbers (m)=m/2
Now we can calculate: (6)=6/2=3
What they asked us is the value of (9)*(6). We have the values of each one so we only have to multiply them.
(9)*(6)=27*3=81
Now we have a list of (m) numbers some are even, some are odd, when they are odd you do (m)=3m and when they are even you (m)=m/2
You can calculate all of them and find the result for each one, the result which indicates you the right answer is the result of (9)*(6), I mean 81.
The only one which gives 81 is (27):
(27)=27*3=81 because 27 is odd so we use the formula (m)=3m
