Mathematics 2018 Jamb Past Questions and Answers

Question 16 :

• JAMB 2018

Convert 0.04945 to two significant figures

A. 0.040
B. 0.049
C. 0.050
D. 0.49

Question 17 :

• JAMB 2018

Calculate 243\(_{six}\) — 243\(_{five}\) expressing your answer in base 10

A. Zero
B. 1
C. 26
D. 46

Question 18 :

• JAMB 2018

Evaluate ∫\(^2_1\) \(\frac{5}{x}\) dx

A. 1.47
B. 2.67
C. 3.23
D. 3.47

Question 19 :

• JAMB 2018

Tossing a coin and rolling a die are two separate events. What is the probability of obtaining a tail on the coin and an even number on the die?

A. \(\frac{1}{16}\)
B. \(\frac{1}{6}\)
C. \(\frac{1}{4}\)
D. \(\frac{3}{8}\)

Question 20 :

• JAMB 2018

How many children are in the hospital

A. 36
B. 40
C. 44
D. 50