CTET Paper-II Mathematics: Questions 357 - 362 of 441

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Question number: 357

» 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: 358

» Mathematical Content » Algebra

MCQ▾

Question

The subtraction of two positive numbers is 78. If one number x is half of the other that is subtracted from other, then the equation is

Choices

Choice (4) Response

a.

x39x=2

b.

xx2=39

c.

x22x=39

d.

x39=x2

Question number: 359

» 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: 360

» 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: 361

» 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: 362

» Pedagogical Issues » Developmental Theories

MCQ▾

Question

It is observed that to a problem like ‘Show that the sum of any two odd numbers is an even number’, most of the students replied by quoting one example, say, 5 + 7 =12.

Students answered this question inappropriately as

Choices

Choice (4) Response

a.

Students have attained the formal operational stage as proposed by Piaget

b.

Students firmly believe that if a statement is true for one set of numbers, it is always true and hence have developed strong strategy for making generalizations

c.

Students have not learnt the logical proof for the statement in the class

d.

Students have not understood that in Mathematics ‘any’ is used to indicate

Generalizations and hence are not able to answer correctly

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