May/June 2026 Paper 23

2026 · 28 questions · 46 parts · 100 marks

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Finish set
Q1
1
–/2 mks
Q2
2(a)2(b)
–/4 mks
Q3
3
–/2 mks
Q4
4(a)4(b)
–/3 mks
Q5
5(a)5(b)
–/2 mks
Q6
6
–/3 mks
Q7
7(a)7(b)
–/3 mks
Q8
8(a)8(b)
–/4 mks
Q9
9(a)9(b)
–/3 mks
Q10
10
–/1 mk
Q11
11
–/2 mks
Q12
12(a)(i)12(a)(ii)12(b)(i)12(b)(ii)
–/9 mks
Q13
13(a)13(b)
–/3 mks
Q14
14
–/2 mks
Q15
15(a)15(b)
–/3 mks
Q16
16
–/3 mks
Q17
17(a)17(b)
–/6 mks
Q18
18(a)18(b)
–/6 mks
Q19
19
–/4 mks
Q20
20
–/3 mks
Q21
21(a)21(b)
–/4 mks
Q22
22(a)(i)22(a)(ii)22(b)
–/6 mks
Q23
23
–/3 mks
Q24
24
–/4 mks
Q25
25(a)25(b)
–/4 mks
Q26
26(a)26(b)
–/4 mks
Q27
27
–/4 mks
Q28
28
–/3 mks
6Number Systems Factors PrimesMedium3 marks
A red light flashes every 20 minutes. A blue light flashes every 35 minutes. The two lights flash together at 10 00.
Find the next time that the two lights flash together.

Answer