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Downstream speed = 12 + 8 = 20 km/hr Upstream speed = 12 - 8 = 4 km/hr According to question, => X/4 – (X+100)/20 = 20 => 4X = 500 => X = 125 km Downstream distance = 125 + 100 = 225 km Required time = 225/4 – 225/20 = 45 hrs Â
Which statement is true about nested try-catch blocks?
Which algorithm is commonly used for collaborative filtering in recommendation systems?
Which Technology is used for collision detect in Local Area Network
Which of the following is a fundamental building block in the synthesis of sequential circuits?
Which of the following is NOT a dynamic programming problem?
Which component of a computer system is responsible for storing data and instructions even when the power is turned off?
An XML document is a string of ____.
What is a "token" in lexical analysis?
What is the main purpose of a parser in a compiler?
Which type of memory can be electrically erased and reprogrammed in blocks or sectors?