जर रक्कम 400 रुपये असेल आणि मुद्दल 1 वर्षासाठी 100 चक्रवाढ सहामाही असेल, तर व्याज दराची गणना करा.

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Bihar STET TGT (Social Science) Official Paper-I (Held On: 08 Sept, 2023 Shift 5)
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  1. 10
  2. 200
  3. 2
  4. 20

Answer (Detailed Solution Below)

Option 2 : 200
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Bihar STET Paper 1 Social Science Full Test 1
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150 Questions 150 Marks 150 Mins

Detailed Solution

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वापरलेले सूत्र:
A = P (1+ (r/n)) nt

येथे:

A = व्याजानंतरची रक्कम,

P = मूळ रक्कम,

R = वार्षिक व्याज दर (दशांश स्वरूपात),

N = दर वर्षी व्याज किती वेळा चक्रवाढ होते,

T = पैसे गुंतवले जातात किंवा अनेक वर्षे कर्ज घेतले जातात.

निरसन:

⇒ 400 = 100 (1+ (r/2))2

⇒ 4 = (1+ (r/2))2

⇒ 2 = 1+ (r/2)

⇒ 1 = r/2

⇒ r = 2

∴ योग्य उत्तर 2% आहे.

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