NCERT Class 10 Chapter 1 Real Numbers Official CBSE Board Sample Problems Multiple Choice Question

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Question

By Euclid’s division lemma the value of q and r for and are:

1)

2) Cannot be determined

3)

4)

Quotation

The decimal representation of will terminate after _____ decimal place.

1) 1

2) 2

3) 3

4) Non-terminating number

Question

is a

1) Rational number

2) Irrational number

3) A terminating decimal number

4) Both (a) and (c)

Question

If HCF of two numbers is 1, the numbers are called relatively _____ or _____

1) Prime, Coprime

2) Composite, prime

3) Both (a) and (b)

4) None of these

Question

A lemma is an axiom used for proving

1) Other statement

2) No statement

3) Contradictory statement

4) None of these

Question

For what least value of ‘n’ a natural number, is divisible by 8?

1) 0

2) -1

3) 1

4) No value of n is possible

Question

¡s a

1) Composite number

2) Prime number

3) Whole number

4) Both composite and whole number

Question

By Euclid’s division lemma, then values of q and r for and are:

1)

2)

3)

4)

Question

The HCF of and is

1) 0

2) 1

3) 13

4) 26

Question

After how many places will decimal expansion of terminate?

1) 2

2) 3

3) 4

4) Will not terminate

Question

Given positive integers x and y such that, where m and n are unique integers then:

1)

2)

3)

4)

Question

Two positive integer a and b are written as , the LCM of is

1)

2)

3)

4)