Question
In an A.P a9 = 40, then find sum of first 17 terms of
that A.P.Solution
General form of A.P is a, a + d, a + 2d, a + 3d….. Here a9 = 40; so 9th term is a + 8d = 40 then S17 =? ⇒ Sn = (n/2) [2 x a + (n – 1)d] = 0 ⇒ S17 = (17/2) [2a + 16d] ⇒ (17) [a + 8d] ⇒ 17 x 40 = 680
Priority Sector Lending by banks in India constitutes the lending to
Consider the following statements about Solid-fuel missiles:
1. Recently, Russia test-fired an intercontinental ballistic missile (IC...
UPS, a global shipping and logistics firm, inaugurated its first technology centre in________ that is focused on innovations that aim to make business d...
- Coal India Limited (CIL) signed an MoU with which institution to establish the Centre of Clean Coal Energy and Net Zero (CLEANZ)?
On which date was the PANKHUDI portal launched by the Ministry of Women and Child Development?
Who has been appointed as the CEO of HSBC Private Bank effective from 5 January 2026?
Who is Mexico's newly elected president?
Which set correctly identifies the Partner Countries for World Food India 2025?
In which location did the commencement of the 11th India-Kyrgyzstan Joint Special Forces Exercise KHANJAR take place?
Under which Act has PayU received its integrated authorisation from the Reserve Bank of India to operate as a payment aggregator?
Relevant for Exams:
