The Fundamental Theorem of Arithmetic

The Fundamental Theorem of Arithmetic

10th Grade

10 Qs

quiz-placeholder

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The Fundamental Theorem of Arithmetic

The Fundamental Theorem of Arithmetic

Assessment

Quiz

Mathematics

10th Grade

Medium

Created by

Dona John

Used 12+ times

FREE Resource

10 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

In a formula racing competition the time taken by two racing cars A and B to complete 1 round of the track is 30 minutes and 45 minutes respectively. After how much time will the cars meet again at the starting point?

60 minutes

90 minutes

68 minutes

110 minutes

Answer explanation

This time can be calculated by finding the L.C.M of the time taken by each.

30 = 2 × 3 × 5

45 = 3 × 3 × 5

The L.C.M is 90.

Thus, both cars will meet at the starting point after 90 minutes.

2.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

The LCM and HCF of 120 and 480 will be

480, 80

720, 120

1080, 120

480, 120

3.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

The LCM of 16 and 216 is 432. The HCF will be

6

4

8

2

4.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

The LCM and HCF of two numbers are 2079 and 9 respectively. If one number is 693, the other number is

27

18

36

29

5.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

The prime factor of 324 is

4 x 9 x 9

2 x 2 x 3 x 3 x 9

2 x 2 x 3 x 3 x 3 x 3

4 x 3 x 3 x 3 x 3

6.

MULTIPLE CHOICE QUESTION

10 sec • 1 pt

If a and b are two composite numbers, which of the following is true

a x LCM = b x HCF

HCF x LCM = a x b

b x LCM = a x HCF

None of these

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

The prime factorization of Natural Number is ______ except for the ______ of its factors.

Unique, Order

Order, Unique

Similar, Order

None of the above

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