Level: | Primary 5 CA1 |

Subject: | Mathematics Paper 2 |

Degree of Difficulty: | AA |

Type of paper: | Word Problem Q8 Solution |

Year: | 2015 |

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?