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Mathematics Past Questions

Refresh Questions
Simplify (3√(64a3))<−1
  • A. 4a
  • B. 1/8a
  • C. 8a
  • D. 1/4a
A cylindrical tank has a capacity of 3080 m3. What is the depth of the tank if the diameter of its base is 14 m? (Take pi = 22/7)
  • A. 23 m
  • B. 25 m
  • C. 20 m
  • D. 22 m
The average age of the three children in a family is 9 years. If the average age of their parent is 39 years, the average age of the whole family is:
  • A. 20 years
  • B. 21years
  • C. 24years
  • D. 27years
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
If are the roots of equation 6 +5x –x2 =0, find x
  • A. 11
  • B. -11
  • C. 1
  • D. -1
Three teachers shared a packet of chalk. The first teacher got 2/5 of the chalk and the second teacher received 2/15 of the remainder. What fraction the the third teacher receive?
  • A. 8/15
  • B. 11/25
  • C. 12/25
  • D. 13/25
Evaluate x in base 3 if 41x-22x=17x.
  • A. 11
  • B. 8
  • C. 12
  • D. 22
What is the integral value of x which satisfy the inequality -1 < 3 -2x ≤ 5?
  • A. -1. 0, 1, 2
  • B. -2, 1, 0 , -1
  • C. 0, 1, 2
  • D. -1, 0, 1
Given the scores: 4, 7, 8, 11, 13, 8 with corresponding frequencies: 3, 5, 2, 7, 2, 1 respectively. Find the square of the mode.
  • A. 49
  • B. 121
  • C. 25
  • D. 64
Evaluate 21.05347 - 1.6324 x 0.43 to 3 decimal places
  • A. 20.980
  • B. 20.351
  • C. 20.981
  • D. 20.352