NECO Past Questions and Answers - Page 132

656.

A car dealer sells a car and makes a profit of 15%. If the car costs N320,000.00, how much did he sell the car?

A.

N272,000.00

B.

N296,000.00

C.

N300,000.00

D.

N368,000.00

E.

N400,000.00

Correct answer is D

No explanation has been provided for this answer.

657.

A bag contains 4 blue and 8 red identical balls. If two balls are picked at random with replacement, what is the probability of picking two balls of different colours?

A.

1

B.

\(\frac{13}{26}\)

C.

\(\frac{5}{18}\)

D.

\(\frac{4}{9}\)

E.

\(\frac{2}{9}\)

Correct answer is D

No explanation has been provided for this answer.

658.

Evaluate log 18 + log6 - log16\(^{\frac{1}{2}}\)

A.

log 3

B.

log 9

C.

log 20

D.

3 log 2

E.

3 log 3

Correct answer is E

No explanation has been provided for this answer.

659.

For what value(s) of x is the expression (x2 + 15x + 50) ÷ (x - 5) not defined

A.

-5, -10

B.

-10

C.

-5

D.

5

E.

10, 5

Correct answer is D

No explanation has been provided for this answer.

660.

In Δ ABC, A = 60°, C = 90° and AC = 12m. Find the Length of the hypotenuse.

A.

24m

B.

14m

C.

12m

D.

7m

E.

6m

Correct answer is A

No explanation has been provided for this answer.