If X : Y = 7 : 5 and Y : Z = 7 : 11, then what is the ratio of X : Y : Z?
Show answer & explanation
Correct answer: B
Explanation
The correct answer is option 2 i.e. 49 : 35 : 55.
| Understanding/Application |
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X : Y = 7 : 5 ...(1 Y : Z = 7 : 11 ...(2 Multiplying eq 1 by 7 and eq 2 by 5 - X/Y = 49/35 Y/Z = 35/55 |
| X : Y : Z = 49 : 35 : 55 |