Question
The sum of the first 123 terms of the geometric
progression (GP) is equal to the sum of the first 121 terms of the Ursa geometric progression (GP). When the first term is 1235, what is the 99th term in the same quality series?Solution
S123= S121 a(r123-1)/r-1= a(r121-1)/r-1 r123 = r121 × 1 r2=1 r = ± 1 (all intervals) According to the question, r-1 First term = 1235 99th term of the series – T99 = a × r 99-1 = 1235 × 198 = 1235
Who has received the prestigious DadaSaheb Phalke Award for the year 2018?
A person with diabetes mellitus does not secrete:
Who can participate as a seller in the TReDS (Trade Receivables Discounting System)?
The unit of magnetic intensity in the CGS (centimetre-gram-second) system is
In which of the following weight categories did Sakshi Malik win an Olympic medal in the year 2016?
Name the Goa-based airline that became the first to operate a flight to Lakshadweep.
Nirmala Panikar received the Sangeet Natak Akademi Award-2019 (given in February 2023) for her contribution to ________ dance form.
Which of the following fundamental duties was added to the Indian Constitution by the 86th Constitutional Amendment Act, 2002?
Who among the following was the court poet of Alauddin Khilji who wrote the famous poem 'Hasht-Bihisht'?
'Blue Hamlet' is associated with:
Relevant for Exams:
