Savings (in the current context) equals Income – Expenditure.
Statement (1) has information only about income, and Statement (2) has information only about
expenditure. Hence, neither statement alone is sufficient to answer the question.
From the statements together, suppose Kelvin’s income is $9 in 1998 and $12 in 1999[the incomes are in
accordance with the ratio in Statement (1)] . Also suppose his expenditure is $5 in 1998 and $6 in 1999[the
expenditures are in accordance with the ratio in Statement (2)] . Then the ratio of his savings in the year
1998 to 1999 would be ($9 – $5) : ($12 – $6) = $4 : $6 = 2 : 3.
In
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Statement (1) has information only about income, and Statement (2) has information only about
expenditure. Hence, neither statement alone is sufficient to answer the question.
From the statements together, suppose Kelvin’s income is $9 in 1998 and $12 in 1999[the incomes are in
accordance with the ratio in Statement (1)] . Also suppose his expenditure is $5 in 1998 and $6 in 1999[the
expenditures are in accordance with the ratio in Statement (2)] . Then the ratio of his savings in the year
1998 to 1999 would be ($9 – $5) : ($12 – $6) = $4 : $6 = 2 : 3.
In
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