Time left =
1 .What is the value of the determinant where?
2
Let S = {1, 2, 3, …). A relation R on S × S is defined by xRy if loga x >
loga y when Then the relation is
3
If 1.5 ≤ x ≤ 4.5, then which one of the following is correct?
4
If AB = C, then what is the value of the determinant of the matrix A?
5
which of the following is correct?
6
.What is the value of
7
The number (1101101 + 1011011)2 can be written in decimal system as
8
.For how many values of k, is the matrix singular?
9
.If C(20, n+2) = C(20, n – 2), then what is n equal to?
10
If (1 + 2x – x2)6 = a0 + a1x + a2x2 + …. + a12x12, then what is a0 – a1 + a2 – a3 + a4 - … + a12 equal to?
11
.The term independent of x in the binomial expansion of is equal to?
12
What is the argument of the complex number
13
The roots α and β of a quadratic equation, satisfy the relations α + β = α2 + β2 and αβ = α2β2. What is the number of such quadratic equations?