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The simple interest on ₦8550 for 3 years at x% per annum is ₦4890. Calculate...

Mathematics
JAMB 2019

The simple interest on ₦8550 for 3 years at x% per annum is ₦4890. Calculate the value of x to the nearest whole number.

  • A. 19%
  • B. 20%
  • C. 25%
  • D. 16.3%
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Correct Answer: Option A
Explanation

S.I = \(\frac{PRT}{100}\)

\(\implies\) N 4890 = \(\frac{8550 \times 3 \times x}{100}\)

\(x = \frac{4890 \times 100}{8550 \times 3}\)

\(x = 19.06%\)

\(x \approxeq 19%\)

There is an explanation video available below.


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Explanation Video

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WAEC May/June 2024 - Practice for Objective & Theory - From 1988 till date, download app now - 99995
WAEC Past Questions, Objective & Theory, Study 100% offline, Download app now - 24709
Post-UTME Past Questions - Original materials are available here - Download PDF for your school of choice + 1 year SMS alerts
WAEC offline past questions - with all answers and explanations in one app - Download for free
WAEC May/June 2024 - Practice for Objective & Theory - From 1988 till date, download app now - 99995
WAEC offline past questions - with all answers and explanations in one app - Download for free
Post-UTME Past Questions - Original materials are available here - Download PDF for your school of choice + 1 year SMS alerts
WAEC Past Questions, Objective & Theory, Study 100% offline, Download app now - 24709