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Whole Numbers — MATHS STD 6 — Question

Gujarat BoardEnglish MediumSTD 6MATHSWhole Numbers1 Mark
MCQ
Simplify using associative property: $(18 + 59) + 1$
  • A
    $79$
  • ✓
    $78$
  • C
    $76$
  • D
    $80$
✓

Answer

Correct option: B.
$78$

$(18 + 59) + 1 = 18 + (59 + 1) ($associative property$)$
$= 18 + 60$
$= 78$
$($Here, to find the result, we avoided $18 + 59,$ which could be time consuming$).$

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