A rhyme says four months have thirty days and February is shortest. Months with thirty one days number:
A4
B5
C6
D7
Answer & Solution
Correct answer: D. 7
1. Twelve months are split into three groups.
2. Four have thirty days and one is the short February.
3. So 7 months have thirty one days.
_Source: syllabus Mathematics Class II, Chapter 9, My Funday._
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