# Real Number (Class X )

12 Questions | Total Attempts: 297  Settings Create your own Quiz • 1.
For some integer ‘m’ every odd integer is of form:
• A.

M + 1

• B.

2 m

• C.

• D.

2 m + 1

• 2.
H. C. F. of 96 and 404 is
• A.

8

• B.

4696

• C.

96

• D.

4

• 3.
Write the HCF of the smallest composite number and the smallest even number
• A.

4

• B.

0

• C.

1

• D.

2

• 4.
HCF of the smallest composite number and the smallest prime number is
• A.

0

• B.

2

• C.

4

• D.

1

• 5.
If n is a positive integer , then n2 – n is always
• A.

Multiple of 2 and 4

• B.

Prime number

• C.

Odd number

• D.

Even number

• 6.
What is the HCF of 235 and 395?
• A.

25

• B.

5

• C.

35

• D.

15

• 7.
H.C.F. of two consecutive even numbers is
• A.

2

• B.

0

• C.

4

• D.

1

• 8.
4052 = 420 x q + 272 then value of q is
• A.

12

• B.

7

• C.

8

• D.

9

• 9.
For any two positive integers a and b, there exist unique integers q and r such that a = bq + r, 0 ≤ r < b, if b = 4 then which is not the value of r?
• A.

2

• B.

1

• C.

3

• D.

4

• 10.
For a=n and b=3, which of the following represents the correct mathematical form of Euclid’s division lemma?
• A.

N = q+ 3

• B.

N = 3q - r

• C.

N = 3q +r

• D.

N = 3q  + n

• 11.
Euclid’s division lemma states that if a and b are two positive integers, then there exist unique integers q and r such that:
• A.

a = bq + r, 0 ≤ r ≤ b

• B.

A = bq + r, 0 < r < b

• C.

A = bq + r, 0 < b ≤ r

• D.

A = bq + r, 0 ≤ r < b

• 12.
Complete the statement : Any positive odd integer is of the form 6q + 1, or 6q + 3, or ___________, where q is some positive interger.
• A.

6q + 5

• B.

6q + 4

• C.

6q + 2

• D.

6q

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