Level 3
Amor sewed 4 skirts on Monday, 5 skirts on Tuesday, 7 skirts on Wednesday, 10 skirts on Thursday, and so on. Following the pattern, how many skirts did she sew on Saturday?
Level 3
Adam scores a total of 60 marks.
There are a total of 30 questions.
Every correct answer will earn 3 marks.
Every blank answer will earn 0 mark.
Every wrong answer will have 2 marks deducted.
How many questions are (a) incorrectly answered, (b) correctly answered and (c) left blank?