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Anjali samaria

· started a discussion

· 1 Months ago

q (Question: 192415.0 )

in que series is 1+10+10^2
and in sol it is 1+10+102 ???

Question:
If 1 + 10 + 102 + ..... upto n terms = \(\cfrac{10^n - 1}{9}\) , then the sum of the series 4 + 44 + 444 + ....... upto n term is—
Options:
A)
B)
C)
D)
Solution:
Ans: (c) 


Akhilesh Chand

· commented

· 1 Months ago

Best method is to put the value of n=1 in equation u will get ans in seconds

Knowledge Expert

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· 1 Months ago

Dear Student,
We found a typing error, we fixed it now.
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