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Important MCQ Questions for Class 10 Maths Chapter 1 Real Numbers

Important MCQ Questions for Class 10 Maths Chapter 1 Real Numbers

Hi students, Welcome to AMBiPi (Amans Maths Blogs). In this article, you will get Important MCQ Questions for Class 10 Maths Chapter 1 Real Numbers. You can download this PDF and save it in your mobile device or laptop etc.

Important MCQ Questions of Real Numbers Class 10 Question No 21: 

If b = 3, then any integer can be expressed as a =

Option A : 3q, 3q+ 1, 3q + 2

Option B : 3q

Option C : 3q + 1

Option D : None of above

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Option A : 3q, 3q+ 1, 3q + 2

Important MCQ Questions of Real Numbers Class 10 Question No 22: 

Euclid’s division lemma states that for two positive integers a and b, there exist unique integers q and r such that a = bq + r, where r must satisfy

Option A : 1 < r < b

Option B : 0 < r ≤ b

Option C : 0 ≤ r < b

Option D : 0 < r < b

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Option C : 0 ≤ r < b

Important MCQ Questions of Real Numbers Class 10 Question No 23: 

The LCM of smallest two digit composite number and smallest composite number is

Option A : 12

Option B : 4

Option C : 20

Option D : 44

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Option C : 20

Important MCQ Questions of Real Numbers Class 10 Question No 24: 

The product of three consecutive positive integers is divisible by

Option A : 4

Option B : 6

Option C : 5

Option D : Only 1

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Option B : 6

Important MCQ Questions of Real Numbers Class 10 Question No 25: 

The largest number which divides 70 and 125, leaving remainders 5 and 8, respectively, is

Option A : 13

Option B : 65

Option C : 875

Option D : 1750

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Option A : 13

Important MCQ Questions of Real Numbers Class 10 Question No 26: 

HCF of two numbers is 27 and their LCM is 162. If one of the numbers is 54, then the other number is

Option A : 36

Option B : 35

Option C : 9

Option D : 81

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Option B : 35

Important MCQ Questions of Real Numbers Class 10 Question No 27: 

LCM of the given number ‘x’ and ‘y’ where y is a multiple of ‘x’ is given by

Option A : x

Option B : y

Option C : xy

Option D : x/y

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Option B : y

Important MCQ Questions of Real Numbers Class 10 Question No 28: 

If two positive integers a and b are written as a = x3y2 and b = xy3; x, y are prime numbers, then HCF (a, b) is

Option A : xy

Option B : xy2

Option C : x3y3

Option D : x2y2

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Option B : xy2

Important MCQ Questions of Real Numbers Class 10 Question No 29: 

HCF of 144 and 198 is

Option A : 9

Option B : 18

Option C : 6

Option D : 12

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Option B : 18

Important MCQ Questions of Real Numbers Class 10 Question No 30: 

The largest number that will divide 398,436 and 542 leaving remainders 7,11 and 15 respectively is

Option A : 17

Option B : 11

Option C : 34

Option D : 45

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Option A : 17

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