Previous Exam Papers of Math for Class 9th




Mathematics-9th


Total Marks:60 Time Allowed: 2:40 Hrs

Section B Marks:36

Q.2 Answer any Nine parts. Each carries equal marks.
i. Solve the inversion method
x+2y=1, 2x+3y=
ii. Find quotient of , if Z1=3-4i and Z2=4+5i
iii. Solve (28.65)1/4 with help of logarithm.
iv. Find (a-b)2 when, a+b=1, ab= -12
v. if x= then find x- and x2 -
vi. Factorize x8+x4+1
vii. For what value of k, when x3+ 9x2-(3k-4)x+2 is exactly divisible by x-1.
ix. Find L.C.M by factorization x2-4x+4 and x2-4
x. Simplify + +   +
xi. Graph the equation y= -3x+4 xii. If breadth of a room is one fourth of its length and the perimeter of the room is 20m. Find length and breadth of the room.

Section-C Marks:24

Note: Attempt any three questions, each question carries equal marks.
Q.3 Find the coordinates of the in-centre of the triangle whose vertices are A(4, -2) B(-2, 4), C(5, 5)
Q.4 The sum of the lengths of any two sides of a triangle is greater thenthe length of the third side.
Q.5 If two angles of a triangle are congruent then the sides opposite to them are also congruent.