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
As of December 2023, which among the following schemes are related with the Ministry of Minority Affairs:
1. Pradhan Mantri Jan Vikas Karyakram
Which of the following nations retained its ICC T20 Women’s World Cup Crown in March 2020?
What is not true about the Atal Pension Yojana Scheme , according to the given statements-?
i. One can get Rs 1,000 to Rs 5,000 ...
Identify the spice renowned for its anti-inflammatory effects and commonly used in Indian recipes.
Which wildlife sanctuary in Haryana was recently the subject of a Supreme Court order to halt the construction of natural dams?
Which one of the following attributes is required for internal linking in HTML?
Which of the following celebrations is dedicated to Sun God and his wife Usha to thank them for sustaining life on earth and for granting wishes?Â
Which of the following states is characterised by salt marshes known as 'Rann'?
Which of the following rocks are formed during rock metamorphism?
According to the The Right to Education Act, what is the minimum age for a child to be in Grade-I (Class 1)?
Relevant for Exams:
