BITSAT Mathematics: Questions 6 - 12 of 348

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Question number: 6

» Coordinate Geometry » Circle - Radius and Centre

MCQ▾

Question

The greatest distance of the point P(10, 7) from the circle x2+y24x2y20=0 is –

Choices

Choice (4) Response

a.

5

b.

15

c.

10

d.

Question does not provide sufficient data or is vague

Question number: 7

» Sets, Relations and Functions » Equivalence Relations

MCQ▾

Question

What is the remainder obtained by dividing kx2+x1 by x+2k ?

Choices

Choice (4) Response

a.

4k32k1

b.

k1

c.

4k3+2k1

d.

2k1

Question number: 8

» Coordinate Geometry » Equation of a Circle

MCQ▾

Question

If the points (0, 0),(1, 0),(0, 1) and (t,t) are con-cyclic, then t=_ ________.

Choices

Choice (4) Response

a.

1

b.

2

c.

1

d.

2

Question number: 9

» Trigonometry » Trigonometric Functions

MCQ▾

Question

If cosx=tany,cosy=tanz and cosz=tanx , then a value of sinx is equal to –

Choices

Choice (4) Response

a.

2sin18°

b.

cos18°

c.

2cos18°

d.

sin18°

Question number: 10

» Complex Numbers and Quadratic Equations » Algebra of Complex Numbers

MCQ▾

Question

(z+1)(z¯+1) can be expressed as –

Choices

Choice (4) Response

a.

z 2+2

b.

z+1 2

c.

z2 +1

d.

zz¯+1

Question number: 11

» Matrices and Determinants » Types of Matrices

MCQ▾

Question

If A is symmetric and nN, then An is –

Choices

Choice (4) Response

a.

Skew – symmetric

b.

Symmetric

c.

Diagonal

d.

Both b. and c. are correct

Question number: 12

» Matrices and Determinants » Types of Matrices

MCQ▾

Question

A square matrix A=[aij]n×n is called a diagonal matrix if aij=0 for,

Choices

Choice (4) Response

a.

i<j

b.

i=j

c.

i>j

d.

ij

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