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Latest posts made by doraemo
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RE: Q&A - PSLE Math
hi, another one.
please help.
After hiking for 30km, Martin took break before he continued hiking 1/3 of the remaining distance. He then realised that he still had ¼ of the total distance not completed. If Martin’s average speed was 6 km/h , how much time did he take to complete the entire hike? -
RE: Q&A - PSLE Math
hi , another one. please help.
Tom wants to make a square with rectangular cards each measuring 8 cm by 6 cm .
How many such rectangular cards must he use to make the smallest possible square?
http://i64.tinypic.com/10qdoc3.png\"> -
RE: Q&A - PSLE Math
hi, please help :
Keith and Mike had some chocolates in the ratio 2 : 5 When Mike gave away 40 chocolates to Keith and ate 20 chocolates himself, the ratio of keith’s chocolates to that of Mike’s chocolates became 2 : 1 How many chocolates did Mike have at first? -
RE: Q&A - PSLE Math
please help :
1) The ratio of the number of marbles May, Teddy and Sam had was 3:5:2. During a game, May lost half of her marbles to Teddy. Teddy lost 20 marbles to Sam who then had 3 times the number of marbles May had at the end of the game.
a) What was the percentage increase in the number of marbles Sam had at the end of the game?
b) How many marbles did Teddy have at the end of the game?
2) At a fun-raising event, 60% of the people were male and the rest were female. 20% of the female left the event in the afternoon.
In the evening, after 33 male and 35 female left the event, 75% of the people at the event were male.
a) What percentage of the people left the event in the afternoon?
b) How many people were there at the start of the fun raising event? -
RE: Q&A - PSLE Math
vvv
Q: 1692365
Subject: Math
Level: P6
Tags: Ratios
Source: ???
^^^
Please help:
1)\tMr Ho had a total of 102 pink and white roses in the ratio of 12:5.
After he has given away twice as many pink roses as white roses, the number of pink and white roses left was in the ratio 5:2.
\tHow many pink roses did he give away?
2)\tLast year, the ratio of boys to girls in a school’s computer club was 4 : 7 . This year, 71 new members joined the club.
As a result, the ratio of boys to girls in the club becomes 4 : 3 . There are 72 boys in the club this year. How many of the new members are girls?