Friday, November 5, 2010

Houses/workers/days problem

Question


If 10 workers can build 3 houses in 60 days, how many workers are needed to build 5 houses in 40 days?


Answer


Thursday, April 15, 2010

Primary 6 Question - ABCD is a square ....

Question



ABCD is a square. RS=PR=QR and SQ is perpendicular to PR. Find angle SPQ ?






Answer


Monday, March 8, 2010

Primary 5 Question - 3 men, A,B, and C, worked together to paint a wall ...

Question



3 men, A,B, and C, worked together to paint a wall. If the painting was done by one man, the time taken to complete the wall for A,B and C would have been 6hours, 8 hours and 12hours respectively. A and B had painted for 3hours after which A rested, B and C then continued with the painting. What would be the total number of hours taken to complete the wall.


Answer


Thursday, February 4, 2010

Another Primary 5 Question

Question


Adam and Rahmad shared some beads. If Adam gave 1/3 of his share to Rahmad, Rahmad would have 70 more beads than Adam. If Adam gave 1/5 of his share to Rahmad, Rahmad would have 10 more beads than Adam. How many beads does Adam have at first?


Answer


Friday, January 29, 2010

Primary 5 Question

Question


2/7 of the number of girls was equal to 3/5 of the number of boys at a funfair. (a) what fraction of the number of children were girls? (b) There were 253 more girls than boys. How many girls were at the funfair.



Answer


Friday, October 23, 2009

Everyday Life Maths Question

Here is the pricing for economy rice from a typical coffee shop.
The question is:

Question


Based on the pricing (first three from left to right), how much does the rice cost ? Also, based on all the four pricings, which one is considered not fair?


You see, maths question is everywhere. Just keep your eyes open.


Wednesday, October 14, 2009

PSLE 2009 Question

Question

From ChannelNewsAsia: Jim bought some chocolates and gave half of it to Ken. Ken bought some sweets and gave half of it to Jim. Jim ate 12 sweets and Ken ate 18 chocolates. The ratio of Jim's sweets to chocolates became 1:7 and the ratio of Ken's sweets to chocolates became 1:4. How many sweets did Ken buy?


Answer