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CBSE - VI - Mathematics

Mohan cleans his fish tank every 12th day and changes the water every 9th day. 
If he cleaned and changed the water on the 1st of September,
when will he perform both the tasks on the same day again?

Asked by Jayaseelan 7th September 2015, 6:55 PM
Answered by Expert


Y o u space n e e d space t o space f i n d space t h e space L C M space o f space 12 space a n d space 9. L C M left parenthesis 12 comma 9 right parenthesis space equals 36 S t a r t i n g space f r o m space S e p t e m b e r space 1 space s t space a d d space 36 space d a y s comma space s o space O c t space 6 t h space h e space w i l l space p e r f o r m space b o t h space t h e space t a s k s.

Answered by Expert 7th September 2015, 7:00 PM

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