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Upstream speed = 315 / 7 = 45 km/hDownstream speed = 525 / 7 = 75 km/hSpeed in still water = (45 + 75) / 2 = 60 km/hRequired time = 420 / 60 = 7 hours
The total number of men to the total number of women in Offices A and B is in the ratio 50:13. Additionally, the number of women in Office A to those in...
If ₹19,500 is divided among ‘A’, ‘B’, ‘C’, and ‘D’ in the ratio 6:8:5:7, then find the share of ‘C’.
...The ratio of Ankita and Sakshi 's ages will be 9:5 after 16 years. Currently, Ankita's present age is 180% more than Sakshi 's age four years ago. What ...
A box contains Rs. 930 in coins of Rs. 2, Rs. 5, and Rs. 8 denominations. The ratio of number of coins of Rs. 2, Rs. 5, and Rs. 8 is 6:5:7 respectively....
The salaries of Ravi and Sumit are in the ratio 4: 5. If the salary of each is increased by Rs6,000 the new ratio becomes 35:40. What will be Sumit's in...
Coins are distributed among Anoop, Bishnu, Chinky, and Danny such that the difference between Chinky’s share and Danny’s share is equal to the diffe...
Ratio of P's age, 5 years hence and Q's age, 3 years ago was 15:17 respectively. 7 years ago, if the average age of 'P' and 'Q' was 40 years, then find ...
The total number of students in a school is 21980. If the ratio of boys to the girls in the school is 70:87 respectively, then find the total number of ...
Rs. 18,000 is divided among 'X', 'Y', and 'Z' such that one-fourth of X’s share is equal to 20% of Y’s share which is equal to one-sixth of Z’s sh...
