Match List-I with List-II
List-I | List-II |
---|---|
(A) United Nations Security Council | (II) New York |
(B) International Court of Justice | (III) Hague |
(C) International Labour Organisation | (I) Geneva |
(D) United Nations Educational Scientific and Cultural Organisation | (IV) Paris |
Find the unknown frequency if 24 is the median of the following frequency distribution:
\[\begin{array}{|c|c|c|c|c|c|} \hline \text{Class-interval} & 0-10 & 10-20 & 20-30 & 30-40 & 40-50 \\ \hline \text{Frequency} & 5 & 25 & 25 & \text{$p$} & 7 \\ \hline \end{array}\]
Two concentric circles are of radii $8\ \text{cm}$ and $5\ \text{cm}$. Find the length of the chord of the larger circle which touches (is tangent to) the smaller circle.