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What is the time period for which Rs. 8000 amounts to Rs. 12000 at 20% p.a. of simple interest?
  • a)
    4 years
  • b)
    2.5 years
  • c)
    3.25 years
  • d)
    6 years
  • e)
    None of these
Correct answer is option 'B'. Can you explain this answer?
Most Upvoted Answer
What is the time period for which Rs. 8000 amounts to Rs. 12000 at 20%...
SI = PRT/100
Here, P = 8000, R = 20%, SI = 12000-8000 = 4000

So,
(8000*20*T)/100 = 4000 i.e.
1600T = 4000 i.e.
T = 4000/1600 = 2.5 years
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Community Answer
What is the time period for which Rs. 8000 amounts to Rs. 12000 at 20%...
Given, Principal (P) = Rs. 8000, Amount (A) = Rs. 12000, Rate of interest (R) = 20% p.a.

We know that,
Simple Interest (SI) = P * R * T / 100
where T is the time period in years.

To find T, we can use the formula,
T = (A - P) / (P * R / 100)

Substituting the given values, we get
T = (12000 - 8000) / (8000 * 20 / 100)
T = 2.5 years

Therefore, the time period for which Rs. 8000 amounts to Rs. 12000 at 20% p.a. of simple interest is 2.5 years. Hence, option (b) is the correct answer.
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What is the time period for which Rs. 8000 amounts to Rs. 12000 at 20% p.a. of simple interest?a)4 yearsb)2.5 yearsc)3.25 yearsd)6 yearse)None of theseCorrect answer is option 'B'. Can you explain this answer?
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