Mathematics-Playing With Numbers (NSTSE (National Science Talent Search Exam- Unified Council) Class 6): Questions 50 - 59 of 83

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Question number: 50

» Mathematics » Playing With Numbers

MCQ▾

Question

The LCM of two numbers is 6444. Which of the following numbers cannot be possibly the HCF of these numbers?

Choices

Choice (4) Response

a.

14

b.

18

c.

1611

d.

179

Question number: 51

» Mathematics » Playing With Numbers

MCQ▾

Question

The greatest number which when divides 304 and 365 leaving remainders 4 and 5 respectively is

Choices

Choice (4) Response

a.

65

b.

300

c.

60

d.

5

Question number: 52

» Mathematics » Playing With Numbers

MCQ▾

Question

A co-prime number is

Choices

Choice (4) Response

a.

An even number

b.

An odd number

c.

Relatively prime number

d.

Question does not provide sufficient data or is vague

Question number: 53

» Mathematics » Playing With Numbers

MCQ▾

Question

Which of the following statement is true?

Choices

Choice (4) Response

a.

Every prime number is divisible by 1 or itself

b.

1 is smallest prime number

c.

Every prime number is an odd number

d.

All of the above

Question number: 54

» Mathematics » Playing With Numbers

MCQ▾

Question

LCM of 48,12 and 34 is

Choices

Choice (4) Response

a.

1482

b.

1215

c.

816

d.

1420

Question number: 55

» Mathematics » Playing With Numbers

MCQ▾

Question

Common factors of 10 and 15 are

Choices

Choice (4) Response

a.

1,5

b.

1,10,15

c.

1,3, 5

d.

None of the above

Question number: 56

» Mathematics » Playing With Numbers

MCQ▾

Question

How many prime numbers there are from 5 to 40?

Choices

Choice (4) Response

a.

9

b.

10

c.

12

d.

11

Question number: 57

» Mathematics » Playing With Numbers

MCQ▾

Question

HCF of 24 and 36 is

Choices

Choice (4) Response

a.

12

b.

11

c.

7

d.

10

Question number: 58

» Mathematics » Playing With Numbers

MCQ▾

Question

Three common multiples of 4 and 12

Choices

Choice (4) Response

a.

12,32,22

b.

12,24,36

c.

12,36,40

d.

12,45,36

Question number: 59

» Mathematics » Playing With Numbers

MCQ▾

Question

LCM of the two numbers=

Choices

Choice (4) Response

a.

Product of numbers their HCF

b.

Product of numbers

c.

Product of numbers their HCF

d.

All of the above

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