The Taxi fare in Hong Kong is Rs 28 for the first kilometer and Rs 20 per kilometer for subsequent distance covered. If distance is represented as d, and fare is represented as f, find the linear equation for this relationship.
The area of a trapezium is 141 cm2 and the distance between its parallel sides is 6 cm. If one of the parallel sides is of length 20 cm, find the length of the other side.
From a point in the interior of an equilateral triangle, perpendiculars are drawn on the three sides. The lengths of the perpendiculars are 5 cm, 7 cm and 3 cm. Find the area of the triangle.
Tania draws ^@4^@ cards out of a deck of ^@52^@ cards. What is the probability that she draws ^@a \space King, \space a \space Queen, \space a \space Jack, \space and \space a \space 9^@?