How much simple interest will Rs. 6,000 earn in 21 months at 8% per annum? 

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SSC CGL 2023 Tier-I Official Paper (Held On: 19 Jul 2023 Shift 1)
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  1. Rs. 750
  2. Rs. 880
  3. Rs. 620
  4. Rs. 840

Answer (Detailed Solution Below)

Option 4 : Rs. 840
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Detailed Solution

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Given :

Principal = Rs.6000

Time = 21months

Rate = 8% per annum

Formula Used : 

SI = (P × R × T)/100

Calculation : 

⇒ SI = 6000 × 21 × 8/(100 × 12)

⇒ 60 × 21 × 8/12

⇒ 5 × 21 × 8 

⇒ 40 × 21

⇒ 840

∴ The correct answer is 840.

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