In the division algorithm, if 47 = 5×9 + r, then r equals: (CDS PYQ)
A0
B1
C2
D3
Question 2
The HCF of 12 and 18 using the Euclidean algorithm is: (CDS PYQ)
A3
B4
C6
D9
Question 3
The prime factorisation of 360 is: (CDS PYQ)
A2²×3²×5
B2³×3²×5
C2²×3×5²
D2³×3×5²
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