Mathematics 2007 Waec Past Questions and Answers

Question 6 :

• WAEC 2007

Simplify \(3\sqrt{45}-12\sqrt{5}+16\sqrt{20}\)leaving your answer in surd form

A. \(29\sqrt{5}\)
B. \(14\sqrt{15}\)
C. \(12\sqrt{15}\)
D. \(11\sqrt{5}\)

Question 7 :

• WAEC 2007

Which of the following is true for the set \(P = \{-3.2\leq x < 5\}\) where x is an integer

A. Least value of x is -3.2
B. Least value of x is -3
C. Greatest value of x is 4.9
D. Greatest value of x is 5

Question 8 :

• WAEC 2007

Simplify\(\frac{3x^{3}}{(3x)^{3}}\)

A. 1
B. \(\frac{1}{3}\)
C. \(\frac{1}{9}\)
D. \(\frac{1}{27}\)

Question 9 :

• WAEC 2007

N140,000 is shared between ABU, Kayode and Uche. Abu has twice as much as Kayode, and Kayode has twice as much as Uche. What is Kayode's share?

A. N80,000
B. N40,000
C. N20,000
D. N10,000

Question 10 :

• WAEC 2007

I am x years old and my brother is 3 years older how old was my brother last year

A. (x - 4) years
B. (x + 2) years
C. (3x - 1) years
D. (3x + 1) years