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निम्नलिखित प्रश्न
में , चार विकल्पों में से , उस विकल्प का चयन करें जो सही वाक्य-भेद है। वाक्य: राम पढ़ता है और श्याम लिखता है।Solution
व्याख्या: दो स्वतंत्र उपवाक्य “और” से जुड़े हैं।
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Speed of boat is 10 km/hr. Speed of the stream is 20% less than speed of boat. Then find time taken by boat to go 54 km downstream?
A boat goes 52 km in upstream in 4 hours and takes 3 hours to complete a distance of 15 km in downstream. Find the speed of boat in still water.
