MATHEMATICS
JAMB 2011 - Question 2
Mathematics 2011 JAMB Past Questions - Question 2: If 2q35 = 778, find q
A:
B:
C:
D:
Correct Answer
A
Explanation
2q35 = 7782 x 52 + q x 51 + 3 x 50 = 7 x 81 + 7 x 802 x 25 + q x 5 + 3 x 1 = 7 x 8 + 7 x 150 + 5q + 3 = 56 + 75q = 63 - 53q = 10/5q = 2

