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7 + 77 + 777 + 777 +…………..+ n terms 7(1 + 11 + 111 + ………………………+ n terms) Multiply and divide by 9 9/9 × 7(1 + 11 + 111 +………………………+ n terms) 7/9 × (9 + 99 + 999 + …………………+ n terms) 7/9 × [(10 - 1) + (100 - 1) + (1000 - 1) +…………… + n terms] 7/9 × [(10 + 10² + 10³ +………+ n terms) – (1+1+1+………+ n terms)] 7/9 × [(10 + 10² + 10³ +………+ n terms) – n] In the series [10 + 10² + 10³ +………+ n terms] First term, a = 10 common ratio, r = 10 Sum of n terms = (a(rn-1))/((r-1)) ∴ Required answer = 7/9 [((10(10n-1))/9 - n)]
According to the Central Vigilance Commission Act where are the proceedings of the Commission conducted?
Confession in front of police officer when valid?
The superintendence of National Investigation Agency shall vest in the_____________________ as per the National Investigation Agency Act
Which of the following statements is not correct?
The court can give direction for discharge of encumbrances on an immovable property subject to sale as per which section(s) of the Transfer of Property ...
Who has the power to impose restrictions on trade, commerce and intercourse between one state and another in public interest?
No company other than a banking company shall use as part of its name or, in connection with its business nor shall any company carry on the business of...
Under the Prevention of Money -Laundering Act, 2002 any record which has been seized or frozen and the Investigating Officer or any other officer author...
A is tried for the murder of B by beating him with a club with the intention of causing his death. At A's trial which of the fact is not in issue.
How many shadow committees are there in India?
