There are 26 tuning forks arranged in the decreasing order of their frequencies. Each tuning fork gives 3 beats with the next. The first one is octave of the last. What is the frequency of 18th tuning fork ?

A set of 25 tuning forks is arranged in order of decreasing frequency. Each fork gives 3 beats with succeding one. The first fork is octave of the last. Calculate the frequency of the first and 16th fork.

A set of 31 tuning forks is arranged in series of decreasing frequency. Each fork gives 6 beats/sec. with the preceding one. The first fork is the octave of the last. The frequency of the last tuning fork is

A set of 25 tuning fork is arranged in a series of decreasing frequencies such that each fork gives 3 beats with succeeding one . The first fork is octave of the last. Frequency of the 10^(th) fork is

Forty one tuning forks are arranged in increasing order of frequencies such that every fork gives 5 beats with the next. The last fork has a frequency that is double the frequency of the first fork. The frequency of the first fork is

A set of 8 tuning forks is arranged in a series of increasing order of frequencies. Each fork gives 4 beats per second with the preceeding one and the last fork is an octave of the first .Find the frequency of the first fork.

Fifty-six tuning forks are arranged in order of increasing frequencies so that each fork gives 4 beats per second with the next one. The last fork gives the octave of the first. Find the frequency of the first.

Fifty-six tuning forks are arranged in order of increasing frequencies so that each fork gives 4 beats per second with the next one. The last fork gives the octave of the first. Find the frequency of the first.

A set of 12 tuning forks is arranged in the increasing order of frequencies .Each fork produces y beats per second with previous one. The last fork is an octave of the first.The 5th fork has frequency 90 Hz . Find y .