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Mathematics 2015 JAMB Past Questions

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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
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11

Solve the equation \( 3x^2 − 4x − 5 = 0 \)

  • A. x = 1.75 or − 0.15
  • B. x = 2.12 or − 0.79
  • C. x = 1.5 or − 0.34
  • D. x = 2.35 or −1.23
View Answer & Discuss (1) JAMB 2015
12

The first and last term of a linear sequence (AP) are 6 and 10 respectively. If the sum of the sequence is 40. Find the number of terms

  • A. nth = 3
  • B. nth = 4
  • C. nth = 5
  • D. nth = 6
View Answer & Discuss JAMB 2015
13

Find the equation of a line which is form origin and passes through the point (−3, −4)

  • A. y = \( \frac{3x}{4} \)
  • B. y = \( \frac{4x}{3} \)
  • C. y = \( \frac{2x}{3} \)
  • D. y = \( \frac{x}{2} \)
View Answer & Discuss JAMB 2015
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14

The amount A to which a principal P amounts at r% compound interest for n years is given by the formula A = P(1 + (r ÷ 100)\(^n\). Find A, if P = 126, r = 4 and n = 2.

  • A. N132.50K
  • B. N136.30K
  • C. N125.40K
  • D. N257.42K
View Answer & Discuss JAMB 2015
15

Make x the subject of the equation
s = 2 + \(\frac{t}{5} \)(x + ⅗y)

  • A. x = 5[(s − 2) ÷ t] - 3/5y
  • B. x = 25[(s − 2) ÷ t] − 3ty
  • C. x = [1 ÷ (s − 2)3ty]
  • D. x = [5(s − 2) 2 ÷ 3ty] × t
View Answer & Discuss (2) JAMB 2015
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WAEC Past Questions, Objective & Theory, Study 100% offline, Download app now - 24709
Download WAEC May/June App - Get all past questions and answers, 100% offline - 43208
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