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Model Paper 2 — Applied Maths STD 12 Science — Question

CBSE BoardEnglish MediumSTD 12 ScienceApplied MathsModel Paper 21 Mark
MCQ
$(18 \times 10)(\bmod 7)$ is
  • A
    3
  • B
    4
  • C
    5
  • D
    2
✓

Answer

(c) 5
Explanation: $(18 \times 10)(\bmod 7)=18(\bmod 7) \times 10(\bmod 7)$
$
\begin{array}{l}
=4(\bmod 7) \times 3(\bmod 7) \\
=12(\bmod 7)=5
\end{array}
$

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