## Realated Questions

If log

_{3}2, log_{3}(2^{x}– 5), log_{3}(2^{x}– 7/2) are in arithmetic progression, then the value of x is equal toThe sum of 3

^{rd}and 15^{th}elements of an arithmetic progression is equal to the sum of 6^{th}, 11^{th}and 13^{th}elements of the same progression. Then which element of the series should necessarily be equal to zero?The 288

^{th}term of the series a, b, b, c, c, c, d, d, d, d, e, e, e, e, e, f, f, f, f, f, f…. is