A) 530
B) 642
C) 980
D) 872
Correct Answer: C
Solution :
\[530\Rightarrow 5\times 6=30\]\[642\text{ }\Rightarrow 6\times 7=42\]\[872\text{ }\Rightarrow \text{ }8\times 9=72\]where as 980 does not satisfy this condition.You need to login to perform this action.
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