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A factory in Surat records its daily balance as integers. On five days the balances were ₹120, -₹80, ₹0, -₹120 and ₹80.
Using the commutative and associative properties to pair convenient values, what is the total balance?

Class 7Properties of IntegersIntegers
  • A2
  • B-1
  • C0
  • D1

Step-by-Step Solution

Pair 120 with -120 (= 0) and 80 with -80 (= 0); the remaining 0 keeps it 0. Total = 0. Reordering and regrouping is allowed by the commutative and associative properties.
Answer: C) 0

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