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Popular! 2019 Semester 2 (Term 3-4): Semester 2 Class Schedule
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- Happy National Day! August 9, 2019
- Semester 2 Mentoring has started – Prepare early for CA2, SA2 and prelim exams! July 15, 2019
- NMOS Special Round Training Starts this Wed (17 Jul) July 12, 2019
- Primary 6 Mathematics: Story Books Question July 11, 2019
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- Have a blessed Good Friday! April 19, 2019
- Mentoring Schedule: 2019 Term 1 & 2 – Preparing for CA1/SA1 March 5, 2019
- Happy Chinese New Year! February 4, 2019
- Olympiad Math — Sprint Style Questions January 10, 2019
Question from Tina Tran:
Q1. In a school, the ratio of the number of teachers who wear spectacles to the number of teachers who do not wear spectacles is 11:5. 2/3 of the male teachers and 7/10 of the female teachers wear spectacles. What is the ratio of the number of male teachers to the number of female teachers?
Q2. Melissa had 3/4 as many coins as Sheryl. After Melissa and Sheryl received another 48 and 4 coins respectively, Melissa had 1/5 more coins than Sheryl. How many coins did Melissa have at first?
Please view this post for suggested solutions:
https://matharena.wordpress.com/2014/08/23/questions-from-tina-tran/