NUMBER AND NUMERATION - Jamb Mathematics Past Questions and Answers

Question 486:

• JAMB 2008

If \(\frac{1+\sqrt{2}}{1-\sqrt{2}}\) is expressed in the form of x+y√2 find the values of x and y

A. (-3, -2)
B. (-2, 3)
C. (3,2)
D. (2,-3)

Question 487:

• JAMB 2008

If X = {n² + 1:n = 0,2,3} and Y = {n+1:n=2,3,5}, find X∩Y.

A. {1,3}
B. {5,10}
C. ∅
D. {4,6}

Question 488:

• JAMB 2008

A book seller sells Mathematics and English books. If 30 customers buy Mathematics books, 20 customers buy English books and 10 customers buy the two books, How many customers has he altogether.

A. 30
B. 40
C. 50
D. 60

Question 489:

• JAMB 2009

If 55_x + 52_x = 77₁₀ find X

A. 5
B. 6
C. 7
D. 10

Question 490:

• JAMB 2009

If 55_x + 52_x = 77₁₀ find X

A. 5
B. 6
C. 7
D. 10