Question
The 5th and 8th term of an arithmetic progression are 13
and -5 respectively. What is the 15th term?Solution
Given: 5th term a5 = 13, 8th term a8 = −5.
Use the formula: The formula for the n-th term is: 
Solve the system of equations: Subtract the first equation from the second: 3d = −18 ⇒ d = − 6 Substitute d = − 6 into a1+ 4d = 13: 
Find the 15th term:
The 15th term is -47.
Arrange the following District in decreasing order in terms of “Population density”?
Who has acquired the L&T Mutual Funds?
_________ state has become the first one to establish the Gati Shakti University in the state?
How much capital expenditure did India’s private sector achieve in FY 2024-25, as projected by a recent RBI study?
The first successful satellite launch by India (Aryabhata) was in which year?
India’s significant improvement in the Global Innovation Index (GII) rankings from 81st in 2015 to 39th in 2024 reflects advancements in several areas...
What is the main purpose of the AgriSURE Fund, with an outlay of ₹750 crore, launched by the Union Agriculture Minister?
Choose a hot water lake from the following:
Vikas Gowda is related to
How many states in India's northeast share a border with Myanmar?
Relevant for Exams:
