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CBSE Questions for Class 6 Maths Playing With Numbers Quiz 6 - MCQExams.com

Which of the following numbers is divisible by 3 ?
  • 50762
  • 42063
  • 52871
  • 37036
A four-digit number aabb is divisible by 55. Then possible value(s) of b is/are
  • 0 and 2
  • 2 and 5
  • 0 and 5
  • 7
If the sum of digits of a number is divisible by three then the number is always divisible by
  • 2
  • 3
  • 6
  • 9
What are the common factors of numbers 10 and 12?
  • 1,2,3,5
  • 1,4,6
  • 1,2,5,8
  • 1,2
The number that should be added to 345670 in order to make it divisible by 6 is
  • 2
  • 4
  • 5
  • 6
How many numbers between 9 and 54 are exactly divisible by 9 but not by 3
  • 8
  • 6
  • 5
  • None of these
State true or false:
The common factors of 18 and 24 are 1,2,3,6.
  • True
  • False
Write all the composite numbers between 10 and 35.
  • 7,12,14,15,16,17,20,21,22,24,25,26,27,28,30,33 and 34
  • 7,12,14,15,16,18,20,21,21,24,25,26,27,28,32,33 and 34
  • 7,12,14,15,16,19,20,21,22,24,25,26,27,28,32,33 and 34
  • None of these
State the following statement is True or False
The common factors of 75 and 50 are 1,5,25
  • True
  • False
State the following statement is True or False
The H.C.F of 90 and 162 is 18.
  • True
  • False
Say true or false:
12 is factor of  36.
  • True
  • False
Which one of the following is the largest prime number of three digits?
  • 997
  • 999
  • 991
  • 993
A number is divisible by 4, if the number formed by the digits in ______ places is divisible by 4.
  • units and tens
  • tens and hundreds
  • units
  • units, tens and hundreds
Among the following numbers, number which is divisible by 5 is
  • 75 and 620
  • 8 and 319
  • 724
  • 89 and 652
Which of the following numbers have most number of divisors?
  • 176
  • 182
  • 99
  • 101
What is the H.C.F. of 4×27×3125,8×9×25×7,16×81×5×11×49?
  • 180
  • 360
  • 540
  • 1260
Among the following numbers, number which is divisible by 2 is
  • 7,907
  • 63,195
  • 72,028
  • 3,451
(i) Every prime number is odd.
(ii) The product of any two prime numbers is odd.
Which of the above statements(s) is/are correct? 
  • Statement I alone.
  • Statement II alone.
  • Both statements I and II.
  • Neither statement I nor statement II.
Consider the following statements:
A. The sum of two prime numbers is a prime number. 
B. The product of two prime numbers is a prime number. 
Which of these statements is/are correct ?
  • Neither A nor B
  • A alone
  • B alone
  • Both A and B
HCF of the numbers 24,36 and 92 is 
  • 24
  • 36
  • 12
  • 4
Choose the co-prime numbers from the following pairs:
  • 7 and 63
  • 36 and 25
  • 35 and 21
  • 63 and 81
Which of the following statement is true?
  • 1 is the smallest prime number
  • Every prime number is an odd number
  • The sum of two prime numbers is always a prime number
  • None of these
Example for co-prime numbers from the below options is ?
  • 25,14
  • 18,16
  • 9,18
  • 11,77
HCF of the numbers  120, 144 and 216 is __.
  • 38
  • 24
  • 120
  • 144
Example for co-prime numbers is 
  • 27,14
  • 18,16
  • 9,18
  • 11,77
What is the HCF of  24,36 and 92 ?
  • 24
  • 36
  • 12
  • 4
A number which is not a factor of every number is 
  • 0
  • 1
  • 2
  • 3
A number a1a2a3a4a5 is divisible by 9 if
(i) a1+a2+a3+a4+a5 is divisible by 9.
(ii) a1a2+a3a4+a5 is divisible by 9.

Which of the above statements is/are correct?
  • only (i)
  • only (ii)
  • both (i) and (ii)
  • neither (i) nor (ii)
A number is divisible by 9 if the sum of the digits in the number is divisible by 3
  • True
  • False
Among the following, which is the largest 3 digit number exactly divisible by 2?
  • 340
  • 542
  • 848
  • 921
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