Class 10, Real Numbers, CBSE Online, Test Paper (Set-V)

1. There will be total 15 MCQ in this test.
2. Please keep a pen and paper ready for rough work but keep your books away.
3. The test will consist of only objective type multiple choice questions requiring students to mouse-click their correct choice of the options against the related question number.
4. No negative marking for incorrect choice.
5. Please click on “Finish the Test” when you want to exit.
6. All the best – Happy Studying

1. If the H. C. F of 210 and 55 is expressible in the form 210 X 5 + 55y then value of y is

5

15

35

25

Question 1 of 14

2. What is the HCF of 25,80 and 115?

5

10

25

15

Question 2 of 14

3. Which of  the following is the expression of 4025 as a product of prime factors?

5 x 17 x 5

5 x 5 x 16

5 x 805

5 x 5 x 161

Question 3 of 14

4. For a=n and b=3, which of the following represents the correct mathematical form of Euclid's division lemma?

n = q + 3

n = 3q - r

r = 3q + n

n = 3q + r

Question 4 of 14

5. If the HCF of 85 and 153 is expressible in the form 85n - 153, then value of n is :

2

1

3

4

Question 5 of 14

6. There are 135 participants in English and 165 in Mathematics in a seminar. Minimum number of rooms required to seat them if each room must have the same number of participants from each of the two subjects is

20

30

15

15

Question 6 of 14

7. From among a minimum of how many integers can you say that one is divisible by 3?

1

5

4

3

Question 7 of 14

8. Without actually dividing , determine the decimal expansion of 17/125.

0.125

0.316

Can not be determined without division

0.136

Question 8 of 14

9. The prime factorization of 210 is

2 x 15 x 7

15 x 14

2 x 5 x 21

2 x 3 x 5 x 7

Question 9 of 14

10. (18x25x25 + 25) gives a ___ number.

Prime

Neither Prime nor composite

Prime and composite

Composite

Question 10 of 14

11. Which of the following numbers is irrational?

0.11111.....

0.23232323

0.101100101010…….

2.454545…

Question 11 of 14

12. Let x = p/q, be a rational number, such that the prime factorization of q is of the form 2ⁿ5^m, where n, m are non-negative integers. Then x has a decimal expansion which ___________________

is terminating

is non- terminating

is non- terminating , non- recurring

is recurring

Question 12 of 14

13. For a=n and b=3, which of the following represents the correct mathematical form of Euclid's division lemma?

n = 3q - r

r = 3q + n

n = 3q + r

n = q + 3

Question 13 of 14

14. What is the HCF of 24, 36 and 90?

6

12

24

16

Question 14 of 14

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