Modern's abc+ of Mathematics for Class 10>Chapter 1 - Real Numbers>FOR ASSESSMENT>Q 11

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IMPORTANT

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If $p$ and $q$ are two prime numbers, then what is their HCF?

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Important Questions on Real Numbers

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IMPORTANT

Modern's abc+ of Mathematics for Class 10>Chapter 1 - Real Numbers>FOR ASSESSMENT>Q 12

If

p

and

q

are two prime numbers, then what is their LCM?

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IMPORTANT

Modern's abc+ of Mathematics for Class 10>Chapter 1 - Real Numbers>FOR ASSESSMENT>Q 13

If

p

and

q

are relatively prime numbers, what is their HCF?

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IMPORTANT

Modern's abc+ of Mathematics for Class 10>Chapter 1 - Real Numbers>FOR ASSESSMENT>Q 14

If

p

and

q

are relatively prime numbers, what is their LCM?

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Modern's abc+ of Mathematics for Class 10>Chapter 1 - Real Numbers>FOR ASSESSMENT>Q 15

What is the total number of factors of a prime number?

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Modern's abc+ of Mathematics for Class 10>Chapter 1 - Real Numbers>FOR ASSESSMENT>Q 16

For what value of

n, 2^{n} \times 5^{n}

ends in

5 .

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Modern's abc+ of Mathematics for Class 10>Chapter 1 - Real Numbers>FOR ASSESSMENT>Q 17

If the prime factorisation of a natural number

n

is

2^{3} \times 3^{2} \times 5^{2} \times 7,

what is the number of consecutive zeroes in

n ?

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Modern's abc+ of Mathematics for Class 10>Chapter 1 - Real Numbers>FOR ASSESSMENT>Q 18

The decimal expansion of the natural number

\frac{43}{2^{4} \times 5^{3}}

will terminate after how many places of decimals?

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Modern's abc+ of Mathematics for Class 10>Chapter 1 - Real Numbers>FOR ASSESSMENT>Q 19

Has the rational number

\frac{441}{2^{2} \times 5^{7} \times 7^{2}}

a terminating or a non-terminating decimal representation?