Q. Find the equation of a line making an angle of 60∘ with the positive direction of X-axis and having a y-intercept 3 units
View Solution
Q. Find the area of the triangles (in sq. units) formed by the points (−2, 3), (7, 5) and (3, −5).
View Solution
Q. The Mean and Median of a Uni-modal grouped data are 36.5 and 38.5 respectively. Find the Mode of the data.
View Solution
Q. Prove that tanθ+secθ−1tanθ−secθ+1=1+sinθcosθ
View Solution
Q. List the essential components of a Computer
View Solution
Q. Sum of the Binomial coefficients of the expansion of (xy+yx)4 is
6
16
4
32
View Solution
Q. Find the ratio in which P(3, 0) divides the joint of A(1, a) and B(7, −4). And also find the value of a.
View Solution
Q. If f(x)=x2+4x−12, what are the zeros of f?
{−3, −2}
{−6, 2}
{3, 2}
{6, 2}
View Solution
Q. The point which satisfies the inequation 3x+y>6 is .........
(2, 1)
(−1, 0)
(1, 3)
(−2, 1)
View Solution
Q. Find the matrix X, given that X+2I=[3−112]
View Solution
Q. State the converse of Pythagorean Theorem.
View Solution
Q. Find the mean for the following distribution table, using Deviation method.
Class Interval
0−9
10−19
20−29
30−39
40−49
50−50
60−60
Frequency
8
10
22
26
18
9
7
View Solution
Q. Find the equation of the line which passes through the point (1, −6) and whose product of the intercepts on the co-ordinate axes is one
View Solution
Q. Solve the following equations using Matrix Inversion method. 2x−3y+6=0 and 6x+y+8=0
View Solution
Q. If n(A)=6, n(B)=8 and n(A∪B)=12, then n(A∩B)=
2
6
12
8
View Solution
Q. Construct a triangle ABC, in which BC=7cm, ∠A=70∘ and foot of the perpendicular D on BC from A is 4.5cm away from B
View Solution
Q.(x23)p=x2, then find p.
View Solution
Q. In what ratio, does P(4, 6) divide the join of A(−2, 3) and B(6, 7)
View Solution
Q. Write the conditions that are required for "Two polygons to be similar to each other".
View Solution
Q. If the roots of an equation px2+qx+r=0 are equal, then
q2=4pr
p2=4qr
q2=pr
p=qr
View Solution
Q. If A=[abcd] and I=[1001], then show that A2−(a+d)A=(bc−ad)I
View Solution
Q. Find the value of sin230∘+cos260∘
View Solution
Q.∼[p∧(∼q)]=
∼p∧∼q
∼p∨∼q
∼p∨q
∼p∧q
View Solution
Q. The upper part of a tree, broken by wind in two parts, makes an angle of 30∘ with the ground. The top of the tree touches the ground at a distance of 20m from the foot of the tree. Find the height of the tree before it was broken
View Solution
Q. The sum of 15 observations of a data is 420. Find the Mean
View Solution
Q. In what ratio, does P(4, 6) divide the join of A(−2, 3) and B(6, 7)
1:2
4:1
3:1
2:1
View Solution
Q. Show that √1+cosθ1−cosθ=cosecθ+cotθ
View Solution
Q. If A=[1421], B=[−3240], C=[1002]; find A2+BC
View Solution
Q. If (a+b, 1)=(5, a−b), then the value of 2a+3b=?