a man spends 2/5 of his salary on food and 3/10 of the remaining on house rent and electricity etc. what fraction of his salary still left with him
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Food = 2/5
Remaining out of this is :
1 - 2/5 = 3/5
House rent + electricity = 3/5 × 1/10 = 3/50
The remaining is :
2/5 - 3/50 = 17/50
Answer : 17/50
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