2005
Mathematics
JAMB
Find the sum of the first 20 terms of the series 8, 12, 16, ....., 96
A.
1400
B.
1040
C.
960
D.
920
Correct Answer: 1040
Explanation
8, 12, 16, .....96 a = 8, d = 4, l = 96, n = 20 S20 = n/2(a + l) = 20/2(8 + 96) = 10 * 104 = 1040
8, 12, 16, .....96 a = 8, d = 4, l = 96, n = 20 S20 = n/2(a + l) = 20/2(8 + 96) = 10 * 104 = 1040THIS WEEK's
Latest Articles
Top-Scorer Okoro Uchechukwu Solomon Reveals How He Scored 337 in JAMB
by samuel olalekan adeyemi
Bouncing Back: How Samuel Isaac Overcame Setbacks to Score 265 in JAMB and What He Learned
by samuel olalekan adeyemi
Managing Stress During Exams: Practical Tips for Students
by samuel olalekan adeyemi
