Questions · Page 6 of 6

M.C.Q. [1 Marks Each]

MCQ 2581 Mark
Which of the following pairs of number are co-prime$?$
  • A
    $30415$
  • B
    $17, 68$
  • $16, 81$
  • D
    $15, 100$
Answer
Correct option: C.
$16, 81$
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MCQ 2591 Mark
Which of the following pairs of number are not co$-$prime$?$
  • A
    $7,15$
  • B
    $12,49$
  • C
    $18,23$
  • $12,21$
Answer
Correct option: D.
$12,21$
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MCQ 2691 Mark
Which of the following statements is false?
  • All even numbers are composite numbers.
  • B
    If an even number is divided by $2,$ the quotient may be odd or even.
  • C
    The sum of two odd numbers and one even number is even.
  • D
    Sum of two prime numbers is not always even
Answer
Correct option: A.
All even numbers are composite numbers.
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MCQ 2701 Mark
Which of the following statements is true?
  • The product of two even numbers is always even.
  • B
    The sum of three odd numbers is even.
  • C
    All prime numbers are odd.
  • D
    Prime numbers do not have any factors
Answer
Correct option: A.
The product of two even numbers is always even.
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MCQ 2711 Mark
Which of the following numbers is composite?
  • A
    $50600, 8500, 7235, 4000$
  • B
    $50600, 8500, 4000, 7200$
  • $50600, 7235, 8500, 4000$
  • D
    $50600, 7235, 4000, 8500$
Answer
Correct option: C.
$50600, 7235, 8500, 4000$
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MCQ 2721 Mark
Which of the following numbers is prime?
  • A
    $7500, 2000, 525, 132$
  • B
    $132, 525, 2000, 7500$
  • $132, 525, 7500, 2000$
  • D
    $7500, 2000, 132, 525$
Answer
Correct option: C.
$132, 525, 7500, 2000$
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MCQ 2771 Mark
$1$ is
  • A
    a prime number
  • B
    a composite number
  • neither prime nor composite
  • D
    an even number
Answer
Correct option: C.
neither prime nor composite
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M.C.Q. [1 Marks Each] - Page 6 - MATHS STD 6 Questions - Vidyadip