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.

3,251.

Two cards are drawn one after the other with replacement from a well-shuffled ordinary deck of 52 cards containing four Aces. Find the probability that they are both Aces

A.

1/221

B.

1/169

C.

1/52

D.

1/26

E.

1/13

Correct answer is B

1st card prob = 4/52 2nd card prob = 4/52
prob.both are aces = (4/52) x (4/52) = 1/169

3,253.

The percentage of the students with mass less than 69kg is

A.

56%

B.

62.5%

C.

68%

D.

70%

E.

87.5%

Correct answer is D

No explanation has been provided for this answer.

3,254.

The median of the distribution is

A.

9.5kg

B.

11kg

C.

67kg

D.

65.5kg

E.

68kg

Correct answer is E

\(\frac{67 + 68}{2} = 67.5 = 68kg\)

3,255.

cos 57o has the same value as

A.

sin 213o

B.

-cos 303o

C.

sin 147o

D.

cos 123o

E.

cos237o

Correct answer is C

No explanation has been provided for this answer.