Mathematics Exam Past Questions and Answers | JAMB, WAEC and NECO

Mathematics looks at measurement, relationships, and properties of numbers and groups using numbers and symbols. Important topics in math include arithmetic, algebra, geometry, and calculus.

• Question 1281:

  Express the product of 0.0014 and 0.011 in standard form

  Options:
  A) 1.54 x 10${}^{-2}$
  B) 1.54 x 10${}^{-3}$
  C) 1.54 x 10${}^{-2}$
  D) 1.54 x 10${}^{-5}$
  Show Answer
  The correct answer is D .
• Question 1282: Simplify $\frac{2\sqrt{3}+3\sqrt{5}}{3\sqrt{5}-2\sqrt{3}}$ Options:
  A) $\frac{19+4\sqrt{25}}{11}$
  B) $\frac{19+4\sqrt{15}}{11}$
  C) $\frac{19+2\sqrt{15}}{11}$
  D) $\frac{19+2\sqrt{15}}{19}$
  Show Answer
  The correct answer is B .
• Question 1283: If x varies inversely as the cube root of y and x = 1 when y = 8, find y when x = 3 Options:
  A) $\frac{1}{3}$
  B) $\frac{2}{3}$
  C) $\frac{8}{27}$
  D) $\frac{4}{9}$
  Show Answer
  The correct answer is C .
• Question 1284: Simplify (25)^-1/₂ x (27)¹/₃ + (121)^-1/₂ x (625)^-1/₄ Options:
  A) ³⁴/₅₅
  B) ⁹/₁₁
  C) ¹⁴/₅
  D) ³/₂₇₅
  Show Answer
  The correct answer is A .
• Question 1285:

  Two sisters, Taiwo and Kehinde, own a store. The ratio of Taiwo's share to Kehinde's is 11:9. Later Kehinde sells $\frac{2}{3}$ of her share to Taiwo for ₦720.00. Find the value of the store

  Options:
  A) ₦1,080.00
  B) ₦2,400.00
  C) ₦3,000.00
  D) ₦3,600.00
  Show Answer
  The correct answer is B .
• Question 1286: The weight of 10 pupils in a class are 15 kg, 16 kg, 17 kg, 18 kg, 16 kg, 17 kg, 17 kg, 17 kg, 18 kg, and 16 kg. What is the range of this distribution? Options:
  A) 4
  B) 3
  C) 1
  D) 2
  Show Answer
  The correct answer is B .
• Question 1287: Determine the value of x for which (x² - 1) > 0
  Options:
  A) x < -1 or x > 1
  B) -1 < x < 1
  C) x > 0
  D) x < -1
  Show Answer
  The correct answer is A .
• Question 1288:

  Four boys and ten girls can cut a field first in 5 hours. If the boys work at $\frac{5}{4}$ the rate at which the girls work, how many boys will be needed to cut the field in 3 hours?

  Options:
  A) 180
  B) 60
  C) 25
  D) 20
  Show Answer
  The correct answer is D .
• Question 1289:

  

  The area under the speed time graph given the total distance covered by car. What is the average velocity to two places of decimals?

  Options:
  A) 17.72 meter/sec.
  B) 21.67 meters/sec
  C) 2.5 meter/sec.
  D) 20.45 meters/sec.
  E) 13.33 meter/sec.
  Show Answer
  The correct answer is D .
• Question 1290: Evaluate $\int$(cos4x + sin3x)dx Options:
  A) sin4x - cos3x + k
  B) sin4x + cos3x + k
  C) $\frac{1}{4}$sin4x - $\frac{1}{3}$cos3x + k
  D) $\frac{1}{4}$sin4x + $\frac{1}{3}$cos3x + k
  Show Answer
  The correct answer is C .