Mathematical Content-Number System and Arithmetic (CTET Paper-II Mathematics): Questions 151 - 157 of 177

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Question number: 151

» Mathematical Content » Number System and Arithmetic

MCQ▾

Question

The value of

(3a)bc(7b)ac

Where a = 1, b =-1 and c = 1, is:

Choices

Choice (4) Response

a.

1

b.

-1

c.

73

d.

37

Question number: 152

» Mathematical Content » Number System and Arithmetic

Appeared in Year: 2015

MCQ▾

Question

The additive inverse of S, where S = 12+34+56+78+________+4950 is: (Sep)

Choices

Choice (4) Response

a.

25

b.

0

c.

1

d.

- 25

Question number: 153

» Mathematical Content » Number System and Arithmetic

MCQ▾

Question

If 200302=2×10x+2×10y+3×10z w x, y and z are whole numbers, then the value of x+yz 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

(14a)bc(7b)ac Where a = 0, b = 1 and c = 2, is:

Choices

Choice (4) Response

a.

25

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 = 1+2+4+7+14 . 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

(2a)bc(5b)ac

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

Choices

Choice (4) Response

a.

-1

b.

0

c.

1

d.

25

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 kmhour ) of the bike for 3 km is

Choices

Choice (4) Response

a.

4123

b.

45

c.

4123

d.

4332

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