एक व्यक्ति अपनी आय का 40% बचाता है। यदि उसका व्यय ₹960 है, तो उसकी आय (₹ में) है:

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RRB NTPC Graduate Level CBT-I Official Paper (Held On: 09 Jun, 2025 Shift 1)
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  1. 576
  2. 1,640
  3. 384
  4. 1,600

Answer (Detailed Solution Below)

Option 4 : 1,600
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RRB NTPC Graduate Level Full Test - 01
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दिया गया है:

व्यय = ₹960

बचत = आय का 40%

प्रयुक्त सूत्र:

कुल आय = व्यय + बचत

बचत = आय का 40%

गणना:

माना, आय = x

बचत = x का 40% = 0.4x

व्यय = ₹960

कुल आय = बचत + व्यय

⇒ x = 0.4x + 960

⇒ x - 0.4x = 960

⇒ 0.6x = 960

⇒ x = ₹1600

∴ सही उत्तर विकल्प (4) है।

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