A) 240
B) 180
C) 144
D) 190
Correct Answer: B
Solution :
Let total number of guests at the party be x Number of guests who drank colas\[=\frac{1}{4}x\] Number of guests who drank squash\[=\frac{1}{3}x\] Number of guests who drank fruit juice\[=\frac{2}{5}x\] Number of guests who did not drank anything = 3 According to question, we have \[\frac{1}{4}x+\frac{1}{3}x+\frac{2}{5}x+3=x\] \[\Rightarrow \frac{15x+20x+24x+180}{60}=x\] \[\Rightarrow 59x+180=60x\Rightarrow x=180\] Hence, there were 180 guests at the party.You need to login to perform this action.
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