JEE Main 201910 Apr, Evening shiftMathematicsMediumSequence and Series179× since 2002
Let , b and c be in G.P. with common ratio r, where 0 and 0 < r
. If 3, 7b and 15c are the first three
terms of an A.P., then the 4^th term of this A.P. is :
JEE Main 2019 · 10 Apr, Evening shift · Q5250