A vertical stick which is ^@ 36 \space cm^@ long casts a ^@33 \space cm^@ long shadow on the ground. At the same time, a vertical tower casts a ^@70 \space m^@ long shadow on the ground. Find the height of the tower.
A circle is touching the side ^@ BC ^@ of ^@ \triangle ABC ^@ at ^@ P ^@ and touching ^@ AB ^@ and ^@ AC ^@ produced at ^@ Q ^@ and ^@ R ^@ respectively. Which of the following hold true?
A.
^@ AQ = \dfrac { 1 }{ 2 } \text{(Perimeter of } \triangle ABC)^@
B.
^@AQ = \text{ Perimeter of } \triangle ABC ^@
C.
^@ AQ = \dfrac { 1 } { 4 } \text{(Perimeter of } \triangle ABC) ^@
A chord of a circle of radius ^@ 12 \space cm ^@ subtends a right angle at the center. Find the area of the corresponding minor segment.^@ \bigg[\pi = \dfrac { 22 } { 7 } \bigg] ^@
The perimeters of the ends of the frustum of a cone are ^@7.48 \space cm^@ and ^@9.24 \space cm^@. If the height of the frustum is ^@28 \space cm^@, find its curved surface area. (Take ^@\pi = \dfrac { 22 } { 7 }^@).
A bag contains 6 red balls, 4 blue balls and 5 green balls. Richard draws 2 balls out of the bag. What is the probability that he gets a red ball and a blue ball?
In this diagram, the triangle represents men, the square represents teachers and the circle represents tall. Find the number of men who are tall but not teachers.