|Level:||Primary 5 CA1|
|Subject:||Mathematics Paper 2|
|Degree of Difficulty:||AA|
|Type of paper:||Word Problem Q8 Solution|
8. Winnie plans to install blinking coloured light bulbs in her room. She chooses to use yellow and red colours. The yellow bulbs blink every 4 seconds while red bulbs blink every 6 seconds.
(a) Find the number of times the red bulbs blink in a minute.
(b) Find the number of times the yellow and red bulbs blink at the same time in a minute?