Efficiency of Gagan : Magan 100 : 140 5 : 7 Time taken (reverse) 7 : 5 Actual time taken by Gagan = 14 days. Actual time taken by Magan (2 × 5) = 10 days. required answer = 1/10 + 1/14 = 24/140 days = 35/6 days Alternate Method: Let eff of Gagan = 100 then eff of Magan = 140 Time × Eff = constant 14×100 = T×140 T = 10 days required answer = 1/10 + 1/14 = 24/140 days = 35/6 days
The ratio of the first and second class fares between two railways stations is 5 : 1 and that of the number of passengers travelling by first and second...
A sum of money is divided in the ratio of 5 : 6. If the larger part is 192. Find the smaller part.
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The number of students in class IX and class X is 70 and 75, respectively. The ratio of the number of boys to girls in classes IX and X is 9: 5 and 8: 7...
The cost of a piece of diamond varies with the square of its weight. A diamond of Rs.9720 value is cut into 3 pieces whose weights are in the ratio 4: 3...
Ratio of monthly income to monthly expenditure of A is 11:9, respectively and monthly savings of A is Rs. 2880. Find the monthly income of A.
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A grandfather leaves Rs. 14,350 to be divided among 4 sons, 3 daughters and 3 grandson. If each daughter receives six times as much as each grandson and...
50 litres of a mixture of milk and water contains 14 litres more milk than water. 8 litres water is added to it. The ratio of milk to water in the new m...
There is a mixture of 70 liters of apple juice and water in a vessel. The ratio of apple juice to water is 3:4. If 21 liters of the mixture is taken out...
