NSTSE (National Science Talent Search Exam- Unified Council) Class 5: Questions 390 - 399 of 1358

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Question number: 390

» Mathematics » Factors and Multiples

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MCQ▾

Question

is a list of prime number in descending order. What is the value of ?

Choices

Choice (4) Response

a.

16

b.

21

c.

67

d.

73

Question number: 391

» Mathematics » Factors and Multiples

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MCQ▾

Question

How many twin primes are there between 30 and 50?

Choices

Choice (4) Response

a.

9

b.

8

c.

10

d.

5

Question number: 392

» Mathematics » Factors and Multiples

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MCQ▾

Question

Find the L. C. M. of

Choices

Choice (4) Response

a.

24

b.

72

c.

36

d.

108

Question number: 393

» Mathematics » Factors and Multiples

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MCQ▾

Question

Find two common multiples of 15 and 20.

Choices

Choice (4) Response

a.

15,30

b.

20,60

c.

75,120

d.

60,120

Question number: 394

» Mathematics » Fractions

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MCQ▾

Question

By what number is lesser than ?

Choices

Choice (4) Response

a.

b.

c.

d.

Question number: 395

» Mathematics » Factors and Multiples

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MCQ▾

Question

Which of the following are not multiples of 2?

Choices

Choice (4) Response

a.

Prime number

b.

Odd number

c.

Even number

d.

Composite number

Question number: 396

» Mathematics » Factors and Multiples

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MCQ▾

Question

P is the least common multiple of 20 and 40. What is the value of ?

Choices

Choice (4) Response

a.

2000

b.

1800

c.

1200

d.

1400

Question number: 397

» Mathematics » Factors and Multiples

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MCQ▾

Question

What is the L. C. M. of two co-prime numbers?

Choices

Choice (4) Response

a.

Their product

b.

Their difference

c.

Their quotient

d.

Their sum

Question number: 398

» Mathematics » Factors and Multiples

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MCQ▾

Question

When a number Z is added to 7, the sum is divisible by 16. What could the number Z be?

Choices

Choice (4) Response

a.

25

b.

21

c.

13

d.

32

Question number: 399

» Mathematics » Fractions

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MCQ▾

Question

Find the difference obtained when is subtracted from .

Choices

Choice (4) Response

a.

b.

c.

d.

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