Modern's abc+ of Mathematics for Class 10>Chapter 1 - Real Numbers>FOR ASSESSMENT>Q 7

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10th CBSE

IMPORTANT

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If the product of two coprime numbers is $553$ , then their LCM $=$

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Important Questions on Real Numbers

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10th CBSE

IMPORTANT

Modern's abc+ of Mathematics for Class 10>Chapter 1 - Real Numbers>FOR ASSESSMENT>Q 8

The value of $x$ in following factor tree is _____

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10th CBSE

IMPORTANT

Modern's abc+ of Mathematics for Class 10>Chapter 1 - Real Numbers>FOR ASSESSMENT>Q 9

Sum of a rational and irrational number is never _____ number.

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10th CBSE

IMPORTANT

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

If

p

is a prime number, then

\sqrt{p}

is always an _____

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10th CBSE

IMPORTANT

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

The prime factorisation of

320

is

2^{k} \times p

, where

p

is a prime number. Then the value of

k =

_____.

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10th CBSE

IMPORTANT

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

For some integer

m

, every even integer is of the form

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10th CBSE

IMPORTANT

Modern's abc+ of Mathematics for Class 10>Chapter 1 - Real Numbers>FOR ASSESSMENT>Q 2

If the HCF of

65

and

117

is expressible in the form

65 m - 117

, then the value of

m

is

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10th CBSE

IMPORTANT

Modern's abc+ of Mathematics for Class 10>Chapter 1 - Real Numbers>FOR ASSESSMENT>Q 3

If two positive integers

a

and

b

are written as

a = x^{3} y^{2}

and

b = x y^{3}; x, y

are prime numbers, then

HCF (a, b)

is

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10th CBSE

IMPORTANT

Modern's abc+ of Mathematics for Class 10>Chapter 1 - Real Numbers>FOR ASSESSMENT>Q 4

The decimal expansion of the rational number

\frac{7}{9}

will