In an exam, every student who too part is award points as follows :

Gold - 5 points
Silver - 4 points
Bronze - 3 points
A total of 3952 points were awarded. 1/4 of students achieved gold awards. 2/5 of the remaining achieved silver and the rest achieved bronze. How many more students achieved bronze than gold award?

A, B, C and D had 105 apples. A lost 3 apples and D lost 1/2 of what he had. B bought another 6 apples. C’s mom gave him enough apples such that his apples are double of what he had at first. In the end, the 4 boys had equal number of apples. How many more apples than D did A have at first?

10 people boarded a bus at the first stop. At second bus stop, 2/5 of the passengers alighted. At the third bus stop, 2/3 of the passengers alighted and 5 boarded. There were 15 people in the bus when it left the third bus stop. How many passengers are there in the bus when it first started.

7/9 of M’s salary was twice of A’s salary. The ratio of A’s salary is to S’s salary was 14:5. How much was M’s salary if 3 of them have a total salary of $3080?

BigDevil:

angel:

D, E and F were given a carton of apples. D took 5/9 of the apples and then put 14 apples back. E took 1/5 of the remaining apples and then put 8 apples back. F then took half of the remaining apples. The rest of the apples in the carton were packed equally into 12 bags. There were 26 apples in each bag. How many more apples did D take than E?

Work backwards....
http://i65.tinypic.com/28ul735.jpg\">

Why minus 8 at the remaining part 4/5? I thought we first find what's 1/5 (E), then deduct 8 from her end.
I got F, but confused with E.

D, E and F were given a carton of apples. D took 5/9 of the apples and then put 14 apples back. E took 1/5 of the remaining apples and then put 8 apples back. F then took half of the remaining apples. The rest of the apples in the carton were packed equally into 12 bags. There were 26 apples in each bag. How many more apples did D take than E?

He baked some pies. He took home some for his kids. He collected $14.40 after selling 3/5 of the remaining pies for $1.20 each. He then had 1/5 of the original no. of pies left. How many pies did he take home for his kids?

Team A has 42 members. Team B has 18 members more than Team A. What percentage of the members must Team B transfer to Team A so that they have equal members?

I've a kid taking PSLE this year and I'm equally concerned. Happened to read about mental energy depletion from Petunia Lee's blog and I thought it's good to share and discuss.


http://petunialee.blogspot.sg/2016/01/w ... s.html?m=1

What are your thoughts?

Hi, may I check,


How to do questions like this?
Which fraction is larger than 1/3?
1) 7/21
2) 6/17
3) 4/13
4 3/11