Fractions Decimals Approximations And Percentages - Mathematics Jamb Past Questions and Answers

Question 31 :

• JAMB 2017

A car dealer bought a second-hand car for of 250,000 and spent N 70,000 refurbishing it. He then sold the car for N400,000. What is the percentage gain?

A. 60%
B. 32%
C. 25%
D. 20%

Question 32 :

• JAMB 2017

The value of x + x ( xx) when x = 2 is

A. 16
B. 10
C. 18
D. 24

Question 33 :

• JAMB 2017

Evaluate 1 - (\(\frac{1}{5}\) x \(\frac{2}{3}\)) + ( 5 + \(\frac{2}{3}\))

A. 4
B. 3
C. 2\(\frac{2}{3}\)
D. 3\(\frac{2}{3}\)

Question 34 :

• JAMB 2019

Tade bought 200 mangoes at 4 for #2.50. 30 out of the mangoes got spoilt and the remaining were sold at 2 for #2.40. Find the percentage profit or loss.

A. 43.6% loss
B. 35% profit
C. 63.2% profit
D. 28% loss

Question 35 :

• JAMB 2018

Solve for t in the equation \(\frac{3}{4}\)t + \(\frac{1}{3}\)(21 - t) = 11

A. \(\frac{9}{13}\)
B. \(\frac{7}{13}\)
C. 5
D. 9\(\frac{3}{5}\)