Two pendulums of lengths `1.69m` and `1.44m` start swinging togther. After how many vibrations will they again start swinging togther?

Two simple pendulums of lengths 1.44 m and 1 m start swinging together. After how many vibrations will they again start swinging together

Two pendulums of lengths 1.44 m and 1 m start oscillating together. After how many oscillations will Activate they again start swinging together?

Two pendulums of length 90 cm and 100 cm start oscillating in phase. After how many osxillations will they b again in the same phase ?

The pendulums of lengths 100 cm and 110.25 cm start oscillating in phase. After how many oscillation will they again be in same phase ?

Two pendulums of lengths 200 cm and 220.50 cm start oscillating in phase. After how many oscillations will they be in same phase for the first time ?

Two simple pendulums of length 100m and 121m start swinging together. They will swing together again after