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

Choices

Choice (4) Response

a.

9

b.

8

c.

7

d.

11

Question number: 3

» Mathematical Content » Number System and Arithmetic

MCQ▾

Question

The value of Equation 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 Equation . 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 Equation 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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