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First time, 5 bells will toll together on = LCM (6,12,36,42 & 60sec) = 1260 sec = 21 minIn 126 minutes , they will toll together = 126/21 = 6 times But it is also given that they commence tolling together at starting time so answer is 6 + 1 = 7.
Panchayat was added to our constitution through which amendment?
What is the SI unit for measuring speed?
Who among the following is credited with the discovery of X-rays?
A ship will submerge when it displaces water equal to its
Which state of matter has the highest intermolecular forces?
Sound of frogs can be heard from a long distance in a rainy season because
The instrument for measuring intensity of earthquakes is called –
The energy of wind is-
Which of the following Instrument is used to measure humidity?
The Doppler Effect primarily refers to changes in what aspect of waves?
