A set of 24 tuning forks are so arranged that each gives 6 beats per second with the previous one. Of the frequency of the last tuning fork is double that of the first, frequency of the second tuning fork is

A set of 56 tuning forks are so arranged in series that each fork gives 4 beats per second with the previous one. The frequency of the last fork Is 3 times that of the first. The frequency of the first fork is

56 tuning forks are so arranged in series that each fork gives 4 beats per second with the previous one.The frequency of the last fork is three times that of the first.The frequency of the fork is

56 tuning forks are so arranged in series that each fork gives 4 beats per second with the previous one.The frequency of the last fork is three times that of the first.The frequency of the fork is

56 tuning forks are so arranged in series that each fork give 4 beats per sec with the previous one. The frequency of the last fork is 3 times that of the first. The frequency of the first fork is

A set of 56 tuning forks are so arranged in series that each fork given 4 beats per second with previous one.The frequency of last fork 1.5 times that of the first. The frequency f 50th fork is:

64 tuning forks are arranged such that each fork produces 4 beats per second with next one. If the frequency of the last fork is octave of the first, the frequency of 16th fork is

64 tuning forks are arranged such that each fork produces 4 beats per second with next one. If the frequency of the last fork is octave of the first, the frequency of 16th fork is