Mathematics questions and answers

Mathematics Questions and Answers

How good are you with figures and formulas? Find out with these Mathematics past questions and answers. This Test is useful for both job aptitude test candidates and students preparing for JAMB, WAEC, NECO or Post UTME.

1,061.

A bottle of malt costs three times as much as a bottle of Mirinda. If 5 bottles of malt and 4 bottles of Mirinda cost N380.00 altogether, how much does a bottle of malt cost?

A.

N90.00

B.

N80.000

C.

N60,000

D.

N40,000

E.

N20,000

Correct answer is C

let one bottle of mirinda cost = #x, a bottle of malt will cost #3x

4 bottles of mirinda will cost = #4x, then 5 bottles of malt cost = #15x

total cost = 4x + 15x = 380

x = 380/19 = 20, therefore a bottle of mirinda cost = #20 then a bottle of mirinda will cost 3 x 20 = #60.00

1,062.

A chord is drawn 12cm away from the centre of a circle of radius 13cm. What is the length of the chord?

A.

169.00 cm

B.

144.00 cm

C.

25.00 cm

D.

17.69 cm

E.

10.00 cm

Correct answer is E

No explanation has been provided for this answer.

1,063.

If the volume of a cube is (8 x 103)cm\(^3\), what is the surface area the cube?

A.

2,400 cm\(^3\)

B.

1,600 cm\(^3\)

C.

120 cm\(^3\)

D.

24 cm\(^3\)

E.

16 cm\(^3\)

Correct answer is A

No explanation has been provided for this answer.

1,064.

The angle of elevation of the top T of a pole from a point X on the horizontal ground is 32°, if X is 68 m away from the foot F of the pole, calculate the height FT of the pole, correct to one decimal place.

A.

128.3m

B.

108.8m

C.

80.2m

D.

57.7m

E.

42.5m

Correct answer is E

to calculate for the high of the pole, we use sohcahtoa

Let the height of the pole be x.

Tan32º = \(\frac{opp}{adj}\)

Tan32º =  \(\frac{x}{68}\)

x = Tan32º x 68 = 42.5m ( to 1 d.p)

1,065.

Find the value of k such that \(t^2\) + kt + \(\frac{25}{4}\) is a perfect square

A.

5

B.

3

C.

\(\frac{5}{2}\)

D.

\(\frac{5}{4}\)

E.

\(\frac{1}{5}\)

Correct answer is A

No explanation has been provided for this answer.