Mathematics Neco Past Questions and Answers

Question 176 :

• NECO 2008

2 bags of sugar at N_x per bag are mixed with 3 bags of sugar at N_y per bag. What is the cost in N of the mixture per bag?

A. \(\frac{(2x + 3y)}{5}\)
B. \(\frac{(x + y)}{2}\)
C. \(\frac{x}{2} +\frac{y}{3}\)
D. \(\frac{(x + y)}{5}\)
E. \(\frac{(3x + 2y)}{5}\)

Question 177 :

• NECO 2008

2 bags of sugar at N_x per bag are mixed with 3 bags of sugar at N_y per bag. What is the cost in N of the mixture per bag?

A. \(\frac{(2x + 3y)}{5}\)
B. \(\frac{(x + y)}{2}\)
C. \(\frac{x}{2} +\frac{y}{3}\)
D. \(\frac{(x + y)}{5}\)
E. \(\frac{(3x + 2y)}{5}\)

Question 178 :

• NECO 2008

The ages of 10 students in a class are; 15, 16, 15.5, 17, 14.9, 14.5, 14.1, 15.1, 14.8. find the range of their ages.

A. 6.1
B. 4.8
C. 2.9
D. 2.1
E. 1.9

Question 179 :

• NECO 2008

If the 3rd and the 5th terms of an A.P are 6 and 10 respectively, find the 1st term and the common difference respectively.

A. 1, 2
B. 2, 2
C. 2, 3
D. 3, 2
E. 3,3

Question 180 :

• NECO 2008

A pair of shoes was sold for N2,250.00 at a loss of 10%. What was the cost price?

A. N750.00
B. N2,500.00
C. N2,538.00
D. N3,288.00
E. N4,038.00