If Mr. John has to choose 2 children to do all the work, where the first child will do the first 2 works and the remaining 3 works will be done by the other child. Then which two children will Mr. John choose so that he has to pay the least amount?

1 and 4

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2 and 3

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4 and 5

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Cannot be determined

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Solution

The correct option is A 1 and 4
$C 1 \to$ (Doing First 2 works)
$C 2 \to$ Chosen 2 (Doing remaining 3 works)
$G M \to$ Going for Morning walk
$E X \to$ Exercise
$C H \to$ Completing their Homework
$D M \to$ Drinking Milk
$A F \to$ Assisting in Family work
$T o S \to$ Total Cost
$\begin{matrix} C 1 & C 2 & G M & E X & C H & D M & A F & T o S 1 & 2 & 35 & 48 & 55 & 21 & 35 & 194 1 & 3 & 35 & 48 & 52 & 26 & 34 & 195 1 & 4 & 35 & 48 & 38 & 37 & 51 & 209 1 & 5 & 35 & 48 & 44 & 42 & 47 & 216 2 & 1 & 31 & 42 & 28 & 55 & 26 & 182 3 & 1 & 44 & 57 & 28 & 55 & 26 & 210 4 & 1 & 23 & 35 & 28 & 55 & 26 & 167 5 & 1 & 36 & 37 & 28 & 55 & 26 & 182 2 & 3 & 31 & 42 & 52 & 26 & 34 & 185 2 & 4 & 31 & 42 & 38 & 37 & 51 & 199 2 & 5 & 31 & 42 & 44 & 42 & 47 & 206 3 & 2 & 44 & 57 & 55 & 21 & 35 & 212 4 & 2 & 23 & 35 & 55 & 21 & 35 & 169 5 & 2 & 36 & 37 & 55 & 21 & 35 & 184 3 & 4 & 44 & 57 & 38 & 37 & 51 & 227 3 & 5 & 44 & 57 & 44 & 42 & 47 & 234 4 & 3 & 23 & 35 & 52 & 26 & 34 & 170 5 & 3 & 36 & 37 & 52 & 26 & 34 & 185 4 & 5 & 23 & 35 & 44 & 42 & 47 & 191 5 & 4 & 36 & 37 & 38 & 37 & 51 & 199 \end{matrix}$
Choosing Child 4 and Child 1 will be the best option for John.

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