SELF Exam Numerical Ability

Which number replaces the question mark
7, 9, 4, 12

1, 4, 1, 4

6, 5, 2, ?

Read Solution (Total 1)

9
7+9-4=12
1+4-1=4
6+5-2=9
10 years agoHelpfull: Yes(2) No(0)

SELF Other Question

7^a + 4*(5^b)=7^3*5^1 How many squares are there in a chess board. A chess board has 8 rows and 8 columns.
(The answer is not 64.)