Real Numbers Test

Result

Real Numbers Test - 10

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Weekly Quiz Competition

Question 1
1 / -0

The HCF of two consecutive even numbers is

A
3

B
2

C
1

D
0

Solution

The HCF of two consecutive even numbers is 2.( e.g the HCF of 24, 26 is 2).
Question 2
1 / -0

The HCF of two consecutive odd numbers is

A
3

B
0

C
1

D
2

Solution

The HCF of two consecutive odd numbers is 1.(e.g the HCF of 25, 27 is 1)
Question 3
1 / -0

The LCM of two consecutive numbers is

A
their difference

B
their sum

C
0

D
their product

Solution

The LCM of two consecutive numbers is their product always. ( e.g the LCM of 24,25 is equal to 24 × 25 = 600)
Question 4
1 / -0

The LCM of two co-prime numbers is

A
their sum

B
Their product

C
their difference

D
0

Solution

The LCM of two co-prime numbers is their product always.( e.g the LCM of 3,5 is = 3 × 5 = 15)
Question 5
1 / -0

The relationship between HCF and LCM of two natural numbers is

A
HCF × LCM = Difference of two natural numbers

B
HCF × LCM = Sum of two natural numbers

C
HCF(a, b) × LCM(a, b) = a × b, where a and b are natural numbers

D
None of these

Solution

The product of HCF and LCM of two natural numbers is equal to the product of these numbers
HCF (a,b) × LCM (a,b) = Product of two natural numbers (a × b)
Question 6
1 / -0

The HCF and LCM of two numbers are 9 and 90 respectively. If one number is 18, then the other number is

A
36

B
63

C
45

D
54

Solution

Using the result,

HCF × LCM = Product of two natural numbers

⇒ the other number = 9×90/18 = 45

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Real Numbers Test - 10

Result

Real Numbers Test - 10

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SHARING IS CARING

Question 1

3

2

1

0

Solution

Question 2

3

0

1

2

Solution

Question 3

their difference

their sum

0

their product

Solution

Question 4

their sum

Their product

their difference

0

Solution

Question 5

HCF × LCM = Difference of two natural numbers

HCF × LCM = Sum of two natural numbers

HCF(a, b) × LCM(a, b) = a × b​, where a and b are natural numbers

None of these

Solution

Question 6

36

63

45

54

Solution

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HCF(a, b) × LCM(a, b) = a × b, where a and b are natural numbers