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Let the speed of the boat be 100 km/h Speed of boat in downstream = 1.2 × 100x = 120x km/h Speed of boat in upstream = 100x – 20x = 80xkm/h According to the question. 80x =1280/16 = 80 x = 1 Desired distance = 120 × 12.5 = 1500 km
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A and B entered into a business investing their capital in the ratio of 10:22, respectively and the respective ratio of time for which they made their i...
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A invested Rs X in a scheme. After 6 months, B joined with Rs 6000 more than that of A. After an year, ratio of profit of B to the total profit w...
A and B together started a business by investing their capital in the ratio of 10:9, respectively and total amount invested by them together is Rs. 1140...