If heater S is used on the third day and different heaters are used on the first and fourth days, then which heater is used on the first day?

Created: 2 months ago | Updated: 2 weeks ago
Job Solution Southeast Bank Ltd Southeast Bank Ltd - Management Trainee Officer - 17.05.2013 মানসিক দক্ষতা
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In how many ways can a person use all the four heaters in a four -day period?

Created: 2 months ago | Updated: 2 weeks ago
Job Solution Southeast Bank Ltd Southeast Bank Ltd - Management Trainee Officer - 17.05.2013 মানসিক দক্ষতা
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