Except for the following questions, all the remaining questions have been asked in Set I.
*Q, 1. Determine value (s) of p for which the quadratic equation has real roots.
Ans.
Q. 8. For what value of c, the following system of linear equations have infinite number of solutions: Ans.
Ans. (c = 6)
Q. 10. Find the values of k so that is a factor of polynomial
Ans. (k = 2/3, -1/3)
Q. 14. Prove that:
Q. 20. Without using the trigonometric tables, evaluate the following:
Ans.
Q. 21. A conical vessel whose internal radius is 5 cm and height 24 cm is full of water. The water is emptied into a cylindrical vessel with internal radius 10 cm. Find the height to which the water rises in the cylindrical vessel.
Ans. (2 cm)