The blog postings are about the Singapore Math. The readers can learn from the postings about Solving Singapore Primary School Mathematics. The blog presents the Math Concept, the Math Questions with solutions that teaches in Singapore Primary Schools. You or the kids can acquire the skills to deal with the Math Modeling, the Math Problem Solving and the Problem Sum from Lower Primary School to Upper Primary School level after reading the blog postings. This posting is an upper primary school math question on Ratio, Fraction and Problem Sum.

You can read the postings on **Sarin’s family celebrating Hari Raya Puasa** and **Sarin’s family and Ramadan** in Welcome page about story of Sarin’s family during Ramadan and Hari Raya Puasa.

To read also the posting on** ****Sarin learns concept of ratio in school** to understand the concept of Ratio and the posting on** ****Sarin learns the concept of Fraction (mathematics concept)** to understand the concept of Fraction.

*Challenge yourself with the question before look out for the given solution !!!*

**Upper primary school mathematics question UPQ555**

There were groups of friends and relatives visiting Sarin’s family during the day of Hari Raya.

The ratio of the number of friends and relatives visited them in the morning to that of in the afternoon is 2 : 3.

The number of friends and relatives visited them in the evening is twice that of the morning and there are 20 more friends visited them in the evening than in the afternoon.

How many friends and relatives are there in evening?

* …Click here to read the solution…*

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