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If a crop requires 1.5kg phosphorus per hectare, how many kg of manure will be...

Agricultural Science
JAMB 2019

If a crop requires 1.5kg phosphorus per hectare, how many kg of manure will be required per hectare is 1kg manure contains 0.32kg of phosphorus

  • A. 2.47kg
  • B. 4.69kg
  • C. 7.35kg
  • D. 12.3kg
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Correct Answer: Option B
Explanation

If 1kg manure = 0.32kg of phosphorus
xkg manure = 1.5kg of phosphorus
(Cross multiply)

x = 1.5
0.32		 = 4.69kg of manure
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Post-UTME Past Questions - Original materials are available here - Download PDF for your school of choice + 1 year SMS alerts
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WAEC and NECO CBT Software for Computers and Laptops - Candidates, Schools, Centres, Resellers - 100% Offline -Download Now
Post UTME Past Questions Agent
WAEC and NECO CBT App for Mobile Devices - Candidates, Schools, Centres, Resellers - 100% Offline -Download Now
Post-UTME Past Questions - Original materials are available here - Download PDF for your school of choice + 1 year SMS alerts
WAEC and NECO CBT Software for Computers and Laptops - Candidates, Schools, Centres, Resellers - 100% Offline -Download Now