Question

The multiples of 3 are arranged in the following manner:
\begin{tabular}{c c c c}
\underline{Column 1} & \underline{Column 2} &\underline{Column 3}& \underline{Column 4}\\
3 & 6 & 9 & 12\\
24 & 21 & 18 & 15\\
27 & 30 & 33 & 36\\
48 & 45 & 42 & 39\\
51 & 54 &\ldots &\ldots
\end{tabular}In which column will the number 1992 appear?

Type only the number of the column; do not include any letters or words in your submission.

Answer 1

Given :  The multiples of 3 are arranged in a manner:

To find :   In which column will the number 1992 appear

Solution:

$\begin{tabular}{c c c c}\underline{Column 1} & \underline{Column 2} &\underline{Column 3}& \underline{Column 4}\\3 & 6 & 9 & 12\\24 & 21 & 18 & 15\\27 & 30 & 33 & 36\\48 & 45 & 42 & 39\\51 & 54 &\ldots &\ldots\end{tabular}$

We will first found the row

1992 = 3 * 664

Each row has 4  elements

so 664/4  = 166 Row

Row with odd number are from Left to Right

& Row with Even number are from  Right to left

166 Row  is  Even number row  elements there Would  

3(664)  ,  3(663)   , 3(662)  , 3(661)

Hence 1992 will appear in 1st Column

1992 will appear in Column 1

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