# Mathematical Content-Number System and Arithmetic (CTET (Central Teacher Eligibility Test) Paper-II Mathematics): Questions 153 - 159 of 177

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## Question number: 153

» Mathematical Content » Number System and Arithmetic

MCQ▾

### Question

If w x, y and z are whole numbers, then the value of is

### Choices

Choice (4) Response

a.

5

b.

1

c.

3

d.

7

## Question number: 154

» Mathematical Content » Number System and Arithmetic

MCQ▾

### Question

The value of

Where a = 0, b = 1 and c = 2, is:

### Choices

Choice (4) Response

a.

b.

0

c.

1

d.

-1

## Question number: 155

» Mathematical Content » Number System and Arithmetic

Appeared in Year: 2014

MCQ▾

### Question

We call a number perfect if it is the sum of all its positive divisors, except itself. For example, 28 is a perfect number because 28 = . Which of the following numbers is a perfect number? (Sept)

### Choices

Choice (4) Response

a.

9

b.

6

c.

10

d.

13

## Question number: 156

» Mathematical Content » Number System and Arithmetic

Appeared in Year: 2015

MCQ▾

### Question

The value of

Where a = 2, b = 3 and c = 0, is: (Sep)

### Choices

Choice (4) Response

a.

-1

b.

0

c.

1

d.

## Question number: 157

» Mathematical Content » Number System and Arithmetic

MCQ▾

### Question

A bike goes two kilometers at 45 km per hour for each kilometer and then goes another one kilometer at 35 km per hour. The average speed (in ) of the bike for 3 km is

### Choices

Choice (4) Response

a.

b.

45

c.

d.

## Question number: 158

» Mathematical Content » Number System and Arithmetic

MCQ▾

The value of is:

### Choices

Choice (4) Response

a.

2

b.

-3

c.

-2

d.

4

## Question number: 159

» Mathematical Content » Number System and Arithmetic

Appeared in Year: 2015

MCQ▾

### Question

The smallest value of ‘y’ in the number 9y8071 so that it is divisible by 11 is: (Sep)

### Choices

Choice (4) Response

a.

1

b.

3

c.

0

d.

2

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