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Start learning 50% faster. Sign in nowTaking the ratio of water and acid in A and B in the equal unit, Ratio of water and acid in A = 4 ∶ 5 Ratio of water and acid in B = 3 ∶ 6 Ratio of water and acid in the mixture = (4x + 3y)/(5x + 6y) ⇒ (4x + 3y)/(5x + 6y) = 8/13 ⇒ 52x + 39y = 40x + 48y ⇒ 12x = 9y ⇒ x/y = 9/12 ⇒ x/y = 3/4 ∴ The ratio of x and y is 3 ∶ 4
Three numbers are in ratio 3:5:6. If the sum of the squares of those three numbers is 280 then find the sum of the three numbers.
A plot has to be divided among P, Q and R in the ratio 3:5:7 respectively. If the area of plot received by R is 4200m² more than the area of plot recei...
If the mean proportion of 4.8 and 1.2 is denoted by 'k', then determine the value of '5k'.
Marks scored by A and B in a test are in the ratio 13:9 respectively. If B had scored 8 more marks, then marks scored by A would be 30% more than that o...
Rs.10800 was divided among A, B and C in the ratio 2:3:4. B kept Rs.1200 for himself, gave Rs.800 to his mother and divided the remaining money among hi...
In a college the ratio of boys and girls are in the ratio 6:7. 60% girls and 25% boys were absent. Find the girls present if the total number of student...
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 bag contains coins of Rs 1, 50p, and 25p and the ratio of the number of coins is 6:15:16. If the total value of all the coins is Rs 1050 then what wil...
