# BITSAT (Birla Institute of Technology & Science Admission Test) Mathematics: Questions 41 - 51 of 390

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## Question 41

### Question

MCQ▾

For vectors , which is not equal to remaining three?

### Choices

Choice (4)Response

a.

b.

c.

d.

## Question 42

### Question

MCQ▾

The roots of equation are –

### Choices

Choice (4)Response

a.

b.

c.

d.

## Question 43

Simplifying Expressions

### Question

MCQ▾

If the roots of equation are equal, then –

### Choices

Choice (4)Response

a.

b.

c.

d.

Question does not provide sufficient data or is vague

## Question 44

### Question

MCQ▾

The term of the series is –

### Choices

Choice (4)Response

a.

b.

c.

d.

All of the above

## Question 45

### Question

MCQ▾

If for a matrix where is the identity matrix , then A equals

### Choices

Choice (4)Response

a.

b.

c.

d.

## Question 46

### Question

MCQ▾

The system of equation of equations in unknowns has a unique solution if

### Choices

Choice (4)Response

a.

Det A ≠ 0

b.

Det A = 0, AdjAB = 0

c.

Det A = 0, AdjAB ≠ 0

d.

Det A ≠ 0, AdjAB = 0

## Question 47

### Question

MCQ▾

If , then is equal to,

### Choices

Choice (4)Response

a.

b.

c.

- 1

d.

1

## Question 48

### Question

MCQ▾

If , then value of is –

### Choices

Choice (4)Response

a.

7

b.

6

c.

5

d.

4

## Question 49

MCQ▾

### Choices

Choice (4)Response

a.

0

b.

2

c.

d.

## Question 50

Simplifying Expressions

### Question

MCQ▾

If , are the roots of the equation , lies between and , if –

### Choices

Choice (4)Response

a.

b.

c.

d.

Question does not provide sufficient data or is vague

## Question 51

### Question

MCQ▾

If lies on , then lies on –

### Choices

Choice (4)Response

a.

Parabola

b.

Ellipse

c.

Circle

d.

Line

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