A group of 55 adults and 70 children go for trekking. If there is meal for either 70 adults or 90 children and if 21 adults have their meal, find the total number of children that can be catered with the remaining food.
Pick one.
A) 33
B) 54
C) 63
D) 17
E) 01
Explanation:   As there is meal for 70 adults and 21 have their meal, the meal left can be catered to 49 adults.   Now, 70 adults = 90 children   7 adults = 9 children   Therefore, 49 adults = 63 children   Hence, the meal can be catered to 63 children.   ANSWER: 63
<result>C</result>
A group of 55 adults and 70 children go for trekking. If there is meal for either 70 adults or 90 children and if 21 adults have their meal, find the total number of children that can be catered with the remaining food.