If s : u : v : w = 2 : 9 : 6 : 7 and s + u + v + w = 864, then what is the value of s + u + w ?
Show answer & explanation
Correct answer: B
Explanation
The correct answer is option 2 i.e. 648.
| Understanding/Application |
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s : u : v : w = 2 : 9 : 6 : 7 s + u + v + w = 864 Let the common ratio be x. 2x + 9x + 6x + 7x = 864 24x = 864 x = 36 |
| s + u + w = 2x + 9x + 7x = 2(36) + 9(36) + 7(36) = 72 + 324 + 252 = 648 |