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Start learning 50% faster. Sign in nowLet speed of boat in still water and speed of boat in upstream be ‘7x’ km/h and ‘5x’ km/h, respectively. Speed of stream = 7x – 5x = 2x km/h Speed of boat in downstream = 7x + 2x = 9x km/h So, 9x = 360/5 = 72 Or, x = 8 Speed of boat in still water = 7 × 8 = 56 km/h Desired time = 28/56 = 30 minutes
The branch of biology developed to study chromosomes and its application in genetics is known as:
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ICAR- Indian Institute of Soil and Water conservation is located at __
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