jee-main 2012 Q74

jee-main · India · 07may Measures of Location and Spread
The frequency distribution of daily working expenditure of families in a locality is as follows:
\begin{tabular}{ c } Expenditure
in ₹. $( x )$ :
& $0 - 50$ & $50 - 100$ & $100 - 150$ & $150 - 200$ & $200 - 250$ \hline
No. of
families $( f )$ :
& 24 & 33 & 37 & $b$ & 25 \hline \end{tabular}
If the mode of the distribution is Rs. 140, then the value of $b$ is
(1) 34
(2) 31
(3) 26
(4) 36
The frequency distribution of daily working expenditure of families in a locality is as follows:

\begin{center}
\begin{tabular}{ | c | c | c | c | c | c | }
\hline
\begin{tabular}{ c }
Expenditure \\
in ₹. $( x )$ : \\
\end{tabular} & $0 - 50$ & $50 - 100$ & $100 - 150$ & $150 - 200$ & $200 - 250$ \\
\hline
\begin{tabular}{ c }
No. of \\
families $( f )$ : \\
\end{tabular} & 24 & 33 & 37 & $b$ & 25 \\
\hline
\end{tabular}
\end{center}

If the mode of the distribution is Rs. 140, then the value of $b$ is\\
(1) 34\\
(2) 31\\
(3) 26\\
(4) 36