Chain Rule - Quantitative Aptitude (MCQ) questions for Q. 723

Q.  A group of 55 adults and 70 children go for trekking. If there is meal for either 70 adults or 90 children and if 28 adults have their meal, find the total number of children that can be catered with the remaining food.
- Published on 06 Jul 15

a. 42
b. 54
c. 90
d. 70

ANSWER: 54
 
As there is meal for 70 adults and 28 have their meal, the meal left can be catered to 42 adults.
Now, 70 adults = 90 children
7 adults = 9 children
Therefore, 42 adults = 54 children
Hence, the meal can be catered to 54 children.

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