কিরণ তার আয়ের 45% ব্যয় করে। যদি সে 66,000 টাকা সঞ্চয় করে, তবে তার আয় (টাকায়) হল

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RRB NTPC Graduate Level CBT-I Official Paper (Held On: 05 Jun, 2025 Shift 1)
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  1. 1,20,000
  2. 1,21,000
  3. 1,19,000
  4. 29,700

Answer (Detailed Solution Below)

Option 1 : 1,20,000
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RRB NTPC Graduate Level Full Test - 01
100 Qs. 100 Marks 90 Mins

Detailed Solution

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প্রদত্ত:

কিরণ তার আয়ের 45% ব্যয় করে।

সে 66,000 টাকা সঞ্চয় করে।

ব্যবহৃত সূত্র:

মোট আয় = সঞ্চয় ÷ (1 - ব্যয়ের শতাংশ)

গণনা:

মোট আয় = 66,000 ÷ (1 - 0.45)

⇒ মোট আয় = 66,000 ÷ 0.55

⇒ মোট আয় = 1,20,000 টাকা 

∴ সঠিক উত্তর হল বিকল্প (1).

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