out of 12 persons,11persons spent Rs.40 each for their meals.the twelfth person spent Rs.33more than the average expenditure of all the 12.the total money spent by all of them was?
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rupees spent by 1 person each =40
rupees spent by 11person =40 multiply 11
=440
the 12person spend 33rs more, hence her total expenditure is 40+33=73
so total expenditure spent by all of them was 513rs
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