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Mathematics Past Questions and Answers

Jamb 1979 Mathematics Questions

Question 36:
On each market day Mrs. Bassey walks to the market from her home at a steady speed. This journey normally takes her 2 hours to complete. She finds, however, that by increasing her usual speed by 1 km/hr she can save 20 minutes. Find her usual speed in km/hr
  • A 1\(\frac{2}{3}\)
  • B 2
  • C 5
  • D 6
  • E 10
View Answer & Explanation
Question 37:
Solve the simultaneous linear equations: 2x + 5y = 11, 7x + 4y = 2
  • A X = -8, y = 1
  • B X = -2, y = 4
  • C X = \(\frac{-34}{27}\), y = \(\frac{73}{27}\)
  • D X = 7, y = -9
View Answer & Explanation
Question 38:
If x3 - 12x - 16 = 0 has x = -2 as a solution then the equaion has
  • A X = -4 as a solution also
  • B 3 roots all different
  • C 3 roots with two equal and the third different
  • D 3 roots all equal
  • E Only one root
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Question 39:
Find the value of (4\(\frac{1}{2}\))6
  • A 1
  • B 2
  • C 4
  • D 6
  • E 8
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Question 40:
Find the value of log10\(\frac{1}{40}\), given that log104 = 0.6021
  • A 1.3979
  • B 2.3979
  • C 1.6021
  • D 2.6021
View Answer & Explanation