RRB Group D previous year question
The expenditure of Sudha is 150% more than her savings. If her expenditure decreases by 7% and savings increase by 21%, then by what percentage does her income increase?
Asked in RRB Group D CBT-1: 09 Jan 2026 Shift 2 · Quantitative Aptitude
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Correct answer: (C) 1%
Let savings=s, expenditure=2.5s, income=3.5s. New: expenditure=2.5s×0.93=2.325s, savings=1.21s, new income=3.535s. Increase = 0.035/3.5×100 = 1%.
हिंदी में प्रश्न
सुधा का खर्च उसकी बचत से 150% अधिक है। यदि उसका खर्च 7% कम हो जाता है और बचत 21% बढ़ जाती है, तो उसकी आय में कितने प्रतिशत की वृद्धि होगी?
उत्तर जाँचने के लिए किसी विकल्प पर टैप करें।
उत्तर और व्याख्या देखें
सही उत्तर: (C) 5%
सही उत्तर: विकल्प C (5%)
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