Question
Calculate the % change in Anuradha's monthly expenditure
when her income experiences a 32% increase, while her monthly savings, which normally accounts for 60% of her income, remains constant.Solution
ATQ, Let monthly income of Anuradha is Rs. 100a. Monthly savings of Anuradha = 0.60 × 100a = Rs. 60a Monthly expenditure of Anuradha = 100a – 60a = Rs. 40a Increased monthly income of Anuradha = 1.32 × 100a = Rs.132a Monthly expenditure now = 132a – 60a = Rs. 72a Percentage increase in monthly expenditure = [(72a – 40a)/40a] × 100 = 80%
What should come in place of (?) question mark in the given number series.
81, 73, 66, 60, 55, ?
14 6 4 4 ? 48
...What should come in place of (?) question mark in the following number series.
5, 11, 23, 47, 95, ?
In each of the following number series, one term is missing. Find the missing term.
1, 4, 9, 16, 25, ?
What will come in place of the question mark (?) in the following series?
4, 11, 32, 95, 284, 851, ?
156, 182, 210, 240, 272, ?
31    32      35      ?      47       56
...What should come in place of (?) question mark in the following number series.
1, 2, 6, 24, 120, ?
What value should come in the place of (?) in the following number series?
71, 72, 76, 103, ?, 244254, ?, 1022, 1150, 1214, 1246
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