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### Discussion :: Chain Rule

1.  In a camp, there is a meal for 120 men or 200 children. If 150 children have taken the meal, how many men will be catered to with remaining meal?
2.  A. 20 B. 30 C. 40 D. 50

Explanation :

There is a meal for 200 children. 150 children have taken the meal.

Remaining meal is to be catered to 50 children.

Now, 200 children  120 men.

 50 children[ $$\frac { 1 20} { 2 00} *50]$$

= 30 men.

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