An H.M. is inserted between the number 1/3 and an unknown number. If we diminish the reciprocal of the inserted number by 6, it is the G.M. of the reciprocal of 1/3 and that of the unknown number. If all the terms of the respective H.P. are distinct then
A. the unknown number is 27
B. the unknown number is 1/27
C. the H.M. is 15
D. the G.M. is 21
A. the unknown number is 27
B. the unknown number is 1/27
C. the H.M. is 15
D. the G.M. is 21
Correct Answer – B