- Choice J

raw1=1,raw2=1+2,raw3=1+2(2),raw4=1+2(3),...,raw7=1+2(6)=13
$$\Rightarrow (1+13)7\frac{1}{2}=49$$Skills you are tested for:
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raw1=1,raw2=1+2,raw3=1+2(2),raw4=1+2(3),...,raw7=1+2(6)=13
$$\Rightarrow (1+13)7\frac{1}{2}=49$$
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