A vehicle starts moving along a straight line path from rest. In first t seconds it moves with an acceleration of 2 m/s² and then in next 10 seconds it moves with an acceleration of 5 m/s². The total distance travelled by the vehicle is 550 m. The value of time t is

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Suppose, the Naxalites have kidnapped a Deputy Commissioner from Baster region in Chhattisgarh and taken…