FREE UPDATES: ADS
AD: ADS
ONLINE CAFE: ADS

Mathematics Past Questions

Refresh Questions
In a class, 37 students take a least one of chemistry, Economics and Government, 8 students take Chemistry, 19 take Economics and 25 take Government, 12 students take Economics and Government but nobody takes Chemistry and Economics. How many students take both chemistry and Government?
  • A. 3
  • B. 4
  • C. 5
  • D. 6
A cyclist rode for 30minutes at xkm/hr and due to a breakdown, he had to push the bike for 2hrs at (x – 5) km/hr. if the total distance covered is less than 60km, what is the range of values for x?
  • A. x<14
  • B. x<29
  • C. x<28
  • D. x<20
Evaluate x in base 3 if 41x-22x=17x.
  • A. 11
  • B. 8
  • C. 12
  • D. 22
Differentiate sin (2x-5) with respect to x.
  • A. cos (2x-5)
  • B. –cos (2x-5)
  • C. 2cos (2x-5)
  • D. -2cos (2x-5)
Z is partly constant and partly varies inversely as the square of d. when d = 1, z = 11 and when d = 2, z = 5. Find the value of z when d = 4.
  • A. 2
  • B. 3.5
  • C. 5
  • D. 5.5
If x= 0.0012 + 0.00074 + 0.003174, what is the difference between x to 2 decimal places and x to 1 significant figure?
  • A. 0.01
  • B. 0.0051
  • C. 0.1
  • D. 0.005
A man kept 6 black, 5 brown and 7 purple shirts in a drawer. What is the probability of his picking a purple shirt with his eyes close
  • A. 1/7
  • B. 7/18
  • C. 11/18
  • D. 7/11
An (n-2)2 sided figure has n diagonal, find the number n of diagonal for a 25 sided Figure
  • A. 8
  • B. 7
  • C. 6
  • D. 10
Expand the expression (x2-2x-3)(x2+x+1).
  • A. x4-4x2-5x-3
  • B. –x3-4x2+5x-3
  • C. x4-x3-4x2-5x-3
  • D. x4-4x2-5x -3
All the 120 pupils in a school learn Yoruba or Igbo or both. Given that 75 learn Yoruba and 60 learn Igbo. 13. How many learn both languages?
  • A. 60
  • B. 45
  • C. 15
  • D. 120