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NECO Mathematics Past Questions & Answers - Page 5

21.

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

Correct answer is B

No explanation has been provided for this answer.

22.

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

Correct answer is B

No explanation has been provided for this answer.

23.

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

Correct answer is C

No explanation has been provided for this answer.

24.

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

A.

(2x+3y)5

B.

(x+y)2

C.

x2+y3

D.

(x+y)5

E.

(3x+2y)5

Correct answer is A

No explanation has been provided for this answer.