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Start learning 50% faster. Sign in nowLet the speed of the stream be ‘x’ km/hr Therefore, speed of the boat in still water = 15x km/hr Upstream speed of the boat = 13x – x = 14x km/hr Downstream speed of the boat = x + 15x = 16x km/hr According to the question, 16x – 14x = 45 => 2x = 45 => x = 22.5 Therefore, upstream speed of the boat = 14x = 315 km/hr Required time taken = 1260/315 = 4 hours
ICAR- Indian Institute of Soil and Water conservation is located at __
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H2PO4- is absorbed greatest at ph of
True Potato seed (TPS) was first evolved through sexual reproduction like tomato, chili, brinjal etc., by……………………….
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Which of the following spice is popularly known as queen of spices
_____ is known as the Camel crop.
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