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MATH-MAGIC M.C.Q.

CH - 5. Factors and Multiples · Gujarat Board (GSEB) STD 4 (GSEB - English Medium). 5 questions.

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M.C.Q.

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5 questions · timed · auto-graded

MCQ 11 Mark
The smallest digit to make the number $752_3$ divisible by $3$ is
  • ✓
    $1$
  • B
    $2$
  • C
    $3$
  • D
    $5$
Answer
Correct option: A.
$1$
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MCQ 21 Mark
Which of the following is a pair of twin primes$?$
  • A
    $(51, 53)$
  • B
    $(35, 37)$
  • ✓
    $(17, 19)$
  • D
    $(9, 11)$
Answer
Correct option: C.
$(17, 19)$
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MCQ 41 Mark
Which of the following shows prime factorisation of a number$?$
  • A
    $64 = 8 \times 8$
  • B
    $35 = 1 \times 7 \times 5$
  • ✓
    $35 = 7 \times 5$
  • D
    $64 = 2 \times 2 \times 16$
Answer
Correct option: C.
$35 = 7 \times 5$
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M.C.Q. - MATH-MAGIC STD 4 Questions - Vidyadip