Question
Suppose the ratio of income to expenditure is 8 : 5. If income rises by 40% and expenditure falls by 10%, and the initial expenditure is ₹10,000, what is the amount (in ₹) of saving after these changes?
Asked in RRB NTPC (UG) CBT-I · 2026
Income and Expenditure · Quantitative Aptitude
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If savings are known along with an income-expenditure ratio, use the difference in ratio parts to find one part.
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Percentage has appeared in 137 previous-year exam questions, most frequently in UPSC, State PSC and SSC.
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