7+77+777 +___is 9 times make the sum of all numbe. Find the digit in tens place in that sum?
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5
Answer:
The answer is 2
Explanation:
7
+77
+777
+7777
+77777
+777777
+7777777
+77777777
+777777777
-----------------------
864197523
therefore digit in tens place is 2
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