1 + 1 = 2 2 + 2 = 4 4 + 3 = 7 7 + 4 = 11 11 + 5 = 16 So, the next number would be 16 + 6 = 21, making option A the correct answer.
During the 2008 POSTJAMB registration exercise which lasted 15 days, the number of candidates on the first day was 2000 but doubled daily in the next 4 days. Thereafter, it was 250 per day till the enD. How many candidates registered for the exercise?
A. 10,500 B. 12,500 C. 15,500 D. 20,500
Correct Answer: B
Explanation
The total number of candidates can be calculated by summing up the number of candidates for each day. Starting with 2000, the candidates doubled for 4 days, then remained at 250 per day for the remaining 10 days, resulting in a total of 12,500 candidates.
