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Time taken by pipe C to empty the full pool = 36 × 2 = 72 minutes Let the capacity of pool = 144 units Number of units of water filled by pipe A alone in one minute = 144/36 = 4 units Number of units of water filled by pipe B alone in one minute = 144/48 = 3 units Number of units of water emptied by pipe C alone in one minute = 144/72 = 2 units Required time taken = 144/(4 + 3 – 2) = 28.8 minutes
The ratio of the two numbers is 5:12. 140% of the first number is equal to the 80% of the second number. Find the sum of both the numbers.
Divide 297 into two parts such that one may be to the other as 2:9.
Two numbers are respectively 40% and 20% more than a third number. Find the ratio of two numbers.
If 3 kg of metal, of which 1/4 is aluminium and the rest is magnesium, be mixed with 5 kg of metal, of which 1/3 is aluminium and the rest is magnesium,...
A starts a business with Rs. 5650. After 8 months, B joins with A as his partner. After one year the profit is divided in the ratio 5:8. What is B&rsquo...
Find the mean proportion of 8.4 and 18.9.
Monthly savings of ‘Q’ is 25% more than that of ‘P’ and is 48% less than monthly income of ‘P’. Monthly expenditure of ‘Q’ is Rs. 4260 a...
A sum of Rs.2400 is distributed among A, B, C in the ratio of 3:7:10. What is the total amount received by A and B?
Rs.12000 was divided among A, B and C in the ratio 3:4:5. B kept Rs.1500 for himself, gave Rs.500 to his mother and divided the remaining money among hi...
A, B, and C invested capital in the ratio 3: 4: 8. At the end of the business period, they received profits in the ratio 2: 3: 5. What is the ratio of t...
