Subject
Quantitative Aptitude
Topic
Ratio
If A : B = 8 : 15, B : C = 5 : 8 and C : D = 4 : 5, then A : D is equal to –
If A : B = 8 : 15, B : C = 5 : 8 and C : D = 4 : 5, then A : D is equal to –
ক)
7 : 12খ)
15 : 4গ)
4 : 15ঘ)
12 : 7ঙ)
None of theseExplanation
Given A/B = 8/15, B/C = 5/8, C/D = 4/5 ∴ A/D = A/B × B/C × C/D ⇒ A/D = 8/15 × 5/8 × 4/5 = 4/15 ∴ A : D = 4 : 15Related 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 :
