Subject
Quantitative Aptitude
Topic
Ratio
The ratio of x and y is 9 : 16. If both x and y are increased by 15, then the ratio becomes 2:3. Find x and y.
The ratio of x and y is 9 : 16. If both x and y are increased by 15, then the ratio becomes 2:3. Find x and y.
ক)
27 and 48খ)
36 and 48গ)
18 and 32ঘ)
24 and 36ঙ)
18 and 24Explanation
Let both the numbers be x and y Therefore, x/y = 9/16 ⇒ x = 9y/16……(1) And, (x+15)/(y+15) = 2/3 → 3x - 2y = -15…..(2) Substituting the value of x in (2). 3(9y/16) - 2y = -15 ⇒ 27y/16 - 2y = -15 ⇒ y = 48 Putting the value of y in 1 We get, x = (9 x48)/16 ⇒ x = 27Related questions
The ratio of two number is 3 : 5 and their sum is The greater of the two numbers is—729 ml of a mixture contains milk and water in ratio 7: How much of the water is to be added to get a new mixture containing half milk and half water?The ratio of two numbers is 3:4 and their sum is The greater of the two numbers isThe ratio between two numbers to 3:4 and their least common multiple is What is the first number?a container holds 4 quarts of alcohol and 4 quarts of water. How many quarts of water must be added to the container to create a mixture that is 3 parts alcohol to 5 parts water by volume?Two equal glasses are respectively one-third and one-fourth full of milk. They are then filled up with water and the contents are mixed in a tumbler. Ratio of milk and water in tumbler is:The present ages of A and B are as 6 : Five years ago their ages were in the ratio 5: Find their present ages.Gold is 19 times as heavy as water and copper is 9 times as heavy as water in what ratio should this be mixed to get an alloy r 15 times as heavy as water :
