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Evaluate \(\frac{1.25 \times 0.025}{0.05}\), correct to 1 decimal place

Mathematics
JAMB 2013

Evaluate \(\frac{1.25 \times 0.025}{0.05}\), correct to 1 decimal place
  • A. 0.6
  • B. 6.2
  • C. 6.3
  • D. 0.5
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Correct Answer: Option A
Explanation
\(\frac{1.25 \times 0.025}{0.05}\)

\( = \frac{125 \times 10^{-2} \times 25 \times 10^{-3}}{5 \times 10^{-2}}\)

= 125 x 5 x 10-3

= 625 x 0.001

= 0.625

= 0.6 Approx to 1 d.p.

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 offline past questions - with all answers and explanations in one app - Download for free
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 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 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