Progression (Sequence and Series)Hard
Question
The sum of three consecutive terms of an increasing A.P. is 51. If the product of the first and third of these terms be 273, then third term is-
Options
A.13
B.17
C.21
D.9
More Progression (Sequence and Series) Questions
If pth, qth and rth terms of an A.P. are a, b and c respectively, then a(q − r) + b (r − p) + c (p − q...In a series of 2n observations, half of them equal a and remaining half equal -a. If the standard deviation of the obser...If (m + 2)th term of an A.P. is ( m+2)2 − m2, then its common difference is-...The weighted mean of first n natural numbers, whose weights are equal to the squares of corresponding numbers, is...A G.P. consists of 2n terms. If the sum of the terms occupying the odd places is S1 and that of the terms at the even pl...