# Mathematical Content-Number System and Arithmetic (CTET Paper-II Mathematics): Questions 1 - 7 of 177

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## Question number: 1

» Mathematical Content » Number System and Arithmetic

MCQ▾

### Question

We call a number perfect if it is the sum of all its positive divisors, except itself. So, as per formula of perfect number n = , where p is a prime number, then which of the following is a perfect number if p = 5.

### Choices

Choice (4) Response

a.

496

b.

498

c.

28

d.

8128

## Question number: 2

» Mathematical Content » Number System and Arithmetic

MCQ▾

### Question

If 770707 = where x, y and z are whole numbers, then the value of is.

### Choices

Choice (4) Response

a.

9

b.

8

c.

7

d.

11

## Question number: 3

» Mathematical Content » Number System and Arithmetic

MCQ▾

The value of is.

### Choices

Choice (4) Response

a.

24

b.

25

c.

38

d.

22

## Question number: 4

» Mathematical Content » Number System and Arithmetic

MCQ▾

### Question

The product of two whole numbers is 81. The highest possible sum of these numbers is

### Choices

Choice (4) Response

a.

83

b.

30

c.

18

d.

82

## Question number: 5

» Mathematical Content » Number System and Arithmetic

Appeared in Year: 2014

MCQ▾

### Question

The product of two whole numbers is 24. The smallest possible sum of these numbers is (February)

### Choices

Choice (4) Response

a.

9

b.

10

c.

8

d.

12

## Question number: 6

» Mathematical Content » Number System and Arithmetic

Appeared in Year: 2014

MCQ▾

### Question

A fraction is equivalent to . Its denominator and numerator add up to 91. What is the difference between the denominator and numerator of this fraction? (February)

### Choices

Choice (4) Response

a.

19

b.

21

c.

3

d.

13

## Question number: 7

» 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 Which of the following number is a perfect number? (February)

### Choices

Choice (4) Response

a.

6

b.

10

c.

13

d.

9

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