Question
Arjun sets aside 20% of his monthly earnings. If his
monthly expenses rise by 45% while his monthly savings remain constant, determine the % increase in his monthly income.Solution
ATQ, Let monthly income of Arjun initially be Rs.100a Monthly savings of Arjun initially = 0.20 × 100a = Rs.20a Monthly expenditure of Arjun initially = 100a – 20a = Rs.80a Increased monthly expenditure = 1.45 × 80a = Rs.116a So, Increased monthly income = 116a + 20a = Rs.136a Desired percentage = [(136a – 100a)/100a] × 100 = 36%
Data warehouse has historical data
Predict the output
list1 = ['physics', 'chemistry', 1997, 2000]
list2 = [1, 2, 3, 4, 5, 6, 7 ]
print "list1[0]: ", list1[0]Â Â Â Â ...
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