1000 रुपये पर दो वर्ष के लिए 2% प्रति वर्ष की दर से चक्रवृद्धि ब्याज ज्ञात करें। 

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Bihar STET TGT (English) Official Paper-I (Held On: 06 Sept, 2023 Shift 2)
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  1. 20
  2. 20.5
  3. 40.4
  4. 20.6

Answer (Detailed Solution Below)

Option 3 : 40.4
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Bihar STET Paper 1 Social Science Full Test 1
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Detailed Solution

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दिया गया है:

मूलधन = 1000 रुपये

समय = 2 वर्ष

ब्याज की दर = 2%

सूत्र:

C.I = P × [(1 + r/100)n – 1]

यहाँ,

P = मूलधन

r = ब्याज की दर

n = समय (वर्ष में)

गणना:

हम जानते हैं कि -

C.I = P × [(1 + r/100)n – 1]

प्रश्न के अनुसार,

C.I = 1000 × [(1 + 2/100)2 – 1]

⇒ C.I = 1000 × [(1 + 1/50)2 – 1]

⇒ C.I = 1000 × [(51/50)2 – 1]

⇒ C.I = 1000 × 101/50 × 1/50

⇒ C.I = 40.4

∴ ब्याज की राशि 40.4 रुपये होगी।

 

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