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

EASY

10th CBSE

IMPORTANT

Earn 100

If the product of two numbers is $540$ and their $HCF$ is $30,$ find their $LCM .$

100% studentsanswered this correctly

Important Questions on Real Numbers

EASY

10th CBSE

IMPORTANT

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

If

p

and

q

are two prime numbers, then what is their HCF?

EASY

10th CBSE

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?

EASY

10th CBSE

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?

EASY

10th CBSE

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?

EASY

10th CBSE

IMPORTANT

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?

EASY

10th CBSE

IMPORTANT

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 .

EASY

10th CBSE

IMPORTANT

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 ?

EASY

10th CBSE

IMPORTANT

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?