Direction: Select the missing number from the given responses. [SSC (10+2) 2014] |
\[\begin{matrix} {} & 18 & {} & {} & 11 & {} & {} & 6 & {} & {} & 12 & {} \\ 9 & 38 & 6 & 19 & 32 & 9 & 26 & 44 & 3 & 9 & ? & 20 \\ {} & 17 & {} & {} & 11 & {} & {} & 15 & {} & {} & 8 & {} \\ \end{matrix}\] |
A) 9
B) 40
C) 7
D) 36
Correct Answer: A
Solution :
[a] As, \[(18+9+17)-6=44-6=38\] |
and \[(11+19+11)-9=41-9=32\] |
and \[(6+26+15)-3=47-3=44\] |
Same as, \[(12+9+8)-20=29-20=9\] |
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