Jamb Mathematics Past Questions and Answers

Question 376:

• JAMB 2015

A public car dealer marked up the cost of a car at 30% in an attempt to make 20% gross profit. Due to the value of dollar, he now placed 20% discount on the car. What profit or loss will he make?

A. 3%
B. 2%
C. 4%
D. 1%

Question 377:

• JAMB 2015

Rationalize 5 ÷ (2 − √3)

A. 3(2 + √5)
B. 2(3 + √5)
C. 5(2 + √3)
D. 3 √2 + 1

Question 378:

• JAMB 2015

Factorize \( a^2 − b^2 − 4a + 4 \)

A. (a + b)(a − b)
B. (a − 2 + b)
C. (a + 1)(a − 2 + b)
D. (a + b) 2

Question 379:

• JAMB 2014

Find the value of 110111₂ + 10100₂

A. 1101011₂
B. 1001001₂
C. 1001011₂
D. 1001111₂

Question 380:

• JAMB 2014

A woman bought a grinder for N60,000. She sold it at a loss of 15%. How much did she sell it?

A. N53,000
B. N52,000
C. N51,000
D. N50,000