\(ABCD\) is a quadrilateral in which \(AB=5cm,CD=8cm\) and the sum of angle\( A \)and angle \(D\) is \(180^{\circ }\). What is the name of this quadrilateral?( )
Rajan borrowed Rs. \(1050\) from his friend at \(8\%\) p.a. simple interest for \(4\) years. After \(4\) years he paid Rs. \(1386\) and settled the account. Simple interest paid by Rajan is( )