Mathematical Content-Number System and Arithmetic (CTET Paper-II Mathematics): Questions 117 - 121 of 177

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Question number: 117

» Mathematical Content » Number System and Arithmetic

MCQ▾

Question

Prime factorization of three numbers a, b and c are:

a=22×32×53

b=34×55

c=23×32×54

Then their HCF is equal to

Choices

Choice (4) Response

a.

32×53

b.

24×3×52

c.

22×32×53

d.

22×33×54

Question number: 118

» Mathematical Content » Number System and Arithmetic

MCQ▾

Question

If 9205000=9×10x+2×10y+5×10z , where x, y, z are whole numbers, then the value of x - y + z is

Choices

Choice (4) Response

a.

4

b.

9

c.

6

d.

8

Question number: 119

» Mathematical Content » Number System and Arithmetic

Appeared in Year: 2012

MCQ▾

Question

If 800670=8×10x+6×10y+7×10z , where x, y, z are whole numbers, then the value of x + y + z is (Nov)

Choices

Choice (4) Response

a.

6

b.

5

c.

11

d.

8

Question number: 120

» Mathematical Content » Number System and Arithmetic

MCQ▾

Question

Prime factorization of three numbers x, y and z are:

x=32×53×7

y=22×33×5

z=2×54×7

Then their LCM is equal to

Choices

Choice (4) Response

a.

23×35×57×72

b.

22×33×54×7

c.

23×32×55

d.

2×35×54×7

Question number: 121

» Mathematical Content » Number System and Arithmetic

MCQ▾

Question

If 701300=7×10x+1×10y+3×10z , where x, y, z are whole numbers, then the value of x + y + z is

Choices

Choice (4) Response

a.

12

b.

6

c.

11

d.

10

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