In a class of 72 children, children are seated in rows and columns in such a way that the number of children in each row is 12.5% more than the number of children in each column. How many children are there in each row?
(a)
8
(b)
9
(c)
12
(d)
18
In a class of 72 children, children are seated in rows and columns in such a way that the number of children in each row is 12.5% more than the number of children in each column. How many children are there in each row?
(a)
8
(b)
9
(c)
12
(d)
18
Question ID - 56872 | SaraNextGen Top Answer
In a class of 72 children, children are seated in rows and columns in such a way that the number of children in each row is 12.5% more than the number of children in each column. How many children are there in each row?
(a)
8
(b)
9
(c)
12
(d)
18
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In a class of 72 children, children are seated in rows and columns in such a way that the number of children in each row is 12.5% more than the number of children in each column. How many children are there in each row? |
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(a) |
8 |
(b) |
9 |
(c) |
12 |
(d) |
18 |
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1 Answer
127 votes
Answer Key / Explanation : (b) -
Let the number of children in each column be 
. Then, number of children
in each row = 112
of 
So, the number of children in each row = 
127 votes
Answer Link
127