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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 = 6.5x km/hr Upstream speed of the boat = 6.5x – x = 5.5x km/hr Downstream speed of the boat = x + 6.5x = 7.5x km/hr According to the question, 7.5x – 5.5x = 24 => 2x = 24 => x = 12 Therefore, upstream speed of the boat = 5.5x = 66 km/hr Required time taken = 330/66 = 5 hours
A buffalo alone can plough field ‘A’ in 20 days. A Bull alone can plough the field ‘A’ in 10 days. Find the number of days taken by 1 bulls and ...
A can complete a work in 12 days, and B can complete the same work in 18 days. How many days will they take to complete the work if they work together?
Vikram alone can finish some work in 20 days. Vikram and Varun completed the work together and earned Rs. 8,000 as wage. If Varun's wage share is Rs. 3,...
There are three content creators, 'P,' 'Q,' and 'R.' Creator 'P' can produce 32 short videos in 8 minutes, creator 'Q' takes 6 minutes to create 36 shor...
Amit is 66(2/3)% more efficient than Vivek who can do the same work in 25% more time than Sameer. If Amit and Sameer together can complete 70% of work ...
15 men can complete a piece of work in 5 days, while 20 women can complete it in 5 days. 8 men start working on the job & after working for 3 days, all...
Working together, A and B can do a certain work in 45 days. They work together for 10 days. They complete the remaining work in 28 days with the assista...
If 24 persons can finish 50% of work in 12 days in how many days 48 person can finish the complete work?
P alone can finish a piece of work ‘M’ in 8 days while Q takes 4 days to finish it alone. P, Q and R working together can finish the work ‘N’ wh...
