A, B and C are three tuning forks. Frequency of A is 350 Hz. Beats produced by A and B are 5 per second by B and C are 4 per sec

A, B and C are three tuning forks. Frequency of A is 350 Hz. Beats produced by A and B are 5 per second by B and C are 4 per second. When a wax is put on A, beat frequency between A and B is 2Hz and between A and C is 6Hz. Then, find the frequency of B and C respectively

A, B and C are three tuning forks. Frequency of A is 350 Hz. Beats produced by A and B are 5 per second by B and C are 4 per second.

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