BITSAT (Birla Institute of Technology & Science Admission Test) Mathematics: Questions 229 - 239 of 390

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Question 229

Question

MCQ▾

has an inverse if its domain is –

Choices

Choice (4)Response

a.

b.

c.

d.

All of the above

Question 230

Question

MCQ▾

Which of the following is true?

Choices

Choice (4)Response

a.

Domain of is

b.

Range of is

c.

Range of is

d.

Range of is

Question 231

Question

MCQ▾

is a function defined by . If , then

Choices

Choice (4)Response

a.

b.

c.

d.

Question 232

Question

MCQ▾

If , then is equal –

Choices

Choice (4)Response

a.

1

b.

2

c.

0

d.

None of the above

Question 233

Question

MCQ▾

If the area of the triangle formed by points , and is 50 square units, then|z| is –

Choices

Choice (4)Response

a.

5

b.

10

c.

15

d.

All of the above

Question 234

Question

MCQ▾

is equal to –

Choices

Choice (4)Response

a.

0

b.

1

c.

d.

All of the above

Question 235

Question

MCQ▾

The number of vectors of unit length perpendicular to vectors and , is –

Choices

Choice (4)Response

a.

Two

b.

Infinite

c.

Three

d.

One

Question 236

Question

MCQ▾

is equal to –

Choices

Choice (4)Response

a.

b.

c.

d.

None of the above

Question 237

Question

MCQ▾

The distance of the point from the – plane is –

Choices

Choice (4)Response

a.

y

b.

c.

d.

z

Question 238

Question

MCQ▾

The number of surjections from , onto is –

Choices

Choice (4)Response

a.

b.

c.

d.

None of the above

Question 239

Question

MCQ▾

The number of terms which are free from radical signs in expansion is –

Choices

Choice (4)Response

a.

7

b.

6

c.

5

d.

All of the above

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