Jamb Mathematics 2023 Past Questions and Answers

Question 31:

• JAMB 2023

How many different 8 letter words are possible using the letters of the word SYLLABUS?

A. (8 - 1)!
B. \(\frac{8!}{2!}\)
C. \(\frac{8!}{2! 2!}\)
D. 8!

Question 32:

• JAMB 2023

Evaluate: 16\(^{0.16}\) × 16\(^{0.04}\) × 2\(^{0.2}\)

A. 2
B. 2\(^0\)
C. \(\frac{1}{2}\)

Question 33:

• JAMB 2023

Let '*' and '^' be two binary operations such that a * b = a\(^2\)b and a ^ b = 2a + b. Find (-4 * 2) ^ (7 * -1).

A. -49
B. 64
C. 113
D. 15

Question 34:

• JAMB 2023

Evaluate \(\int_0^1 4x - 6\sqrt[3] {x^2}dx\)

A. - \(\frac{5}{8}\)
B. - \(\frac{8}{5}\)
C. \(\frac{8}{5}\)
D. \(\frac{5}{8}\)

Question 35:

• JAMB 2023

The population of a village decreased from 1,230 to 1,040 due to breakout of an epidemic. What is the percentage decrease in the population?

A. 15.44%
B. 15.43%
C. 15.42%
D. 15.45%