• # question_answer $\frac{3}{20}$ of a delegation are from India, $\frac{1}{4}$ are from Britain, $\frac{3}{10}$ are from Germany and the rest are Americans. If there are 1200 members in the delegation, calculate how many Americans are there? A)  460                            B)  400                C)  360                D)         300

Correct Answer: C

Solution :

Delegation from India $=\frac{3}{20}\times 1200=180$ Delegation from Britain $\frac{1}{4}\times 1200=300$ Delegation from Germany  $=\frac{3}{10}\times 1200=360$ Delegation from America $=1200-(180+300+360)=1200-840=360$

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