Mathematics-Factors and Multiples (NSTSE (National Science Talent Search Exam- Unified Council) Class 5): Questions 1 - 8 of 86

Access detailed explanations (illustrated with images and videos) to 1358 questions. Access all new questions we will add tracking exam-pattern and syllabus changes. Subscription can be renewed yearly absolutely FREE! View Sample Explanation or View Features.

Rs. 500.00 or

How to register?

Question number: 1

» Mathematics » Factors and Multiples

Edit
MCQ▾

Question

The L. C. M. of two numbers is 10 times their H. C. F. Find the numbers. (Model Test Paper)

Choices

Choice (4) Response

a.

16,15

b.

24,240

c.

d.

24,480

Question number: 2

» Mathematics » Factors and Multiples

Edit
MCQ▾

Question

How is 30 written as the product of primes?

Choices

Choice (4) Response

a.

b.

c.

d.

Question number: 3

» Mathematics » Factors and Multiples

Edit
MCQ▾

Question

How many hundreds are there in the sum of the factors of 200?

Choices

Choice (4) Response

a.

4

b.

40

c.

400

d.

536

Question number: 4

» Mathematics » Factors and Multiples

Edit
MCQ▾

Question

Find the smallest whole number that is divisible by 15 and 20.

Choices

Choice (4) Response

a.

45

b.

40

c.

30

d.

60

Question number: 5

» Mathematics » Factors and Multiples

Edit
MCQ▾

Question

Identify the correct statement.

Choices

Choice (4) Response

a.

The H C F of twin primes is their product.

b.

The largest factor of a number is 1.

c.

The L C M of two co-primes is their product.

d.

The smallest factor of a number is the number itself.

Question number: 6

» Mathematics » Factors and Multiples

Edit
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: 7

» Mathematics » Factors and Multiples

Edit
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: 8

» Mathematics » Factors and Multiples

Edit
MCQ▾

Question

Find the L. C. M. of

Choices

Choice (4) Response

a.

24

b.

72

c.

36

d.

108

Developed by: