On dividing 12.25 by 0.25 gives
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On dividing 12.25 by 0.25 gives
- A.
49
- B.
50
- C.
56
- D.
57
Attempted by 40 students.
Show answer & explanation
Correct answer: A
Quick method: 0.25 = 1/4, so dividing by 0.25 is the same as multiplying by 4. Therefore 12.25 × 4 = 49.
Method using fractions (verification):
Write the decimals as fractions: 12.25 = 1225/100 and 0.25 = 25/100.
Divide the fractions: (1225/100) ÷ (25/100) = 1225/25.
Compute 1225 ÷ 25 = 49.
Answer: 49