Question
The speed of the boat in still water is 10 km/h
and the speed of the stream is 6 km/h. A boat goes 48 km downstream with its usual speed but at the time of returning the speed of the boat in still water is tripled. Find the total time taken by boat to cover the whole distance.Solution
Divide ₹2,800 into three parts in the ratio of 2 : 3 : 5 such that the difference between the largest and smallest part is added to the middle part. W...
The ratio of the pocket money of two persons ‘R’ and ‘S’ is 6:5, respectively. ‘R’ spends 60% of his pocket money while ‘S’ spends 70% o...
Rs. 8,100 was supposed to be distributed among 'X', 'Y', and 'Z' in the ratio of (1/3) : (1/4) : (1/6), respectively. However, due to an error, it was a...
If A:B = 7:6 and B:C = 12:15 respectively, then find the value of (A + C) :(A + B) .
The speeds of the three cars are in the ratio of 2: 3: 6. The ratio of respective time taken by these cars to travel the same distance is:
- Find the fourth proportion of (2k - 5), (k + 1), and (3k + 4). (Note: 'k' is the smallest two-digit prime number.)
A, B and C entered into a partnership by investing in the ratio of 7:4:5. At the end of the year, the total profit is in the ratio of 21:4:10. Find the ...
What is the ratio whose terms differ by 25 and the measure of which is 2/7?
The ratio of the incomes of Vineet and Vidya is 12:5 respectively. Vineet saves 25% of his income while Vidya saves 20% of his income. The sum of their...
Find the third proportional to 16 and 48?
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