Anonymous Anonymous

21-04-2015
Mathematics

Answered

If

2 = 6

3 = 12

4 = 20

5 = 30

6 = 42

Then 9 = ?

Verified Answer :

Anonymous Anonymous

24-04-2015

\(2=6\to2\cdot\boxed{3}=6\\3=12\to3\cdot\fbox4=12\\4=20\to4\cdot\fbox5=20\\5=30\to5\cdot\fbox6}=30\\6=42\to6\cdot\fbox7}=42\\therefore\\9=\fbox{?}\to9\cdot\fbox{10}=\boxed{\boxed{90}}\)

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