2422102270
10. In an arithmeticlprogression, if 4 times of fourth term is equal to 8 times of the eigth term, then prove that tweifth term of the progression is zero.
11. In a bag, there are 5 Red balls, 2 black balls and 3 White balls. If one ball is selected randomly from the bag, then find the probability of -
(i) getting a Red ball.
(ii) getting not a Red ball.
12. In a rectangle \( \mathrm{ABCD}, \mathrm{AB}=2 x-y, \mathrm{BC}=15, \mathrm{CD}=2 \) and \( \mathrm{DA}=x+3 y \), then find the values of \( x \) and \( y \).
SECTION-III
\( 4 \times 6=24 \)
Note: 1. Answer any 4 questions from the given six questions.
2. Each question carries 6 marks.
rove that \( 3 \sqrt{5}+\sqrt{7} \) is an irrpy al number.
ph of \( t h \)
olynomial \( p(x)=x^{2}+x-12 \) and find he the graph.
an of the following data.
