Search SchoolNGR

Wednesday, 22 April 2026
Register . Login

Mathematics Past Questions and Answers

Jamb 2015 Mathematics Questions

Question 56:
Simplify √30 x √40
  • A 10 √3
  • B 5 √3
  • C 20 √3
  • D 15 √3
View Answer & Explanation
Question 57:
If √ (2x + 2) − √x =1 ,find x.
  • A X = 1 twice
  • B X = 0 or 1
  • C X = 3 or 1
  • D X = 2 twice
View Answer & Explanation
Question 58:
The sum of two numbers is 5; their product is 14. Find the numbers.
  • A X = 5 or 1
  • B X = 7 or 1
  • C X = 7 or 0
  • D X = 7 or − 2
View Answer & Explanation
Question 59:
Solve the equation
\( 5^{(x − 2)} = (1 ÷ 125)^{(x +3)}\)
  • A 3/2
  • B − 7/4
  • C 4/7
  • D 7/4
View Answer & Explanation
Question 60:
How many sides has a regular polygon whose interior angles are 120°each
  • A 4
  • B 5
  • C 6
  • D 3
View Answer & Explanation