The total aggregate score is 100%. Jamb score covers 50% and your O’level result covers 50% too. Your jamb score will be divided by 8 to get the accurate percent out of 50. The O’level is graded as: A=6, B2=5, B3=4, C4=3, C5=2, C6=1. Sum up the score together for the 5 relevant subjects, divide it by 30, then multiply by 50 to get the actual percent for your O’level result.
ZION score 272 in jamb, this will be equal to; 272/8=34%
ZION has the following grades in his 5 O’level relevant subjects.
ENG: A1, MATH: B2, CHEM: B2, PHY: C4, BIO: A1.
Now, he has 6+5+5+3+6=25. This will be (25/30) × 50 = 41.6%
ZION AGGREGATE: 34+41.6 = 75.6%
For Direct entry: Let’s say ZION scores 14points 14×3.125 = 43.75
ZION AGGREGATE (DE) 43.75+41.6 = 85.35