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


Friday, September 11, 2009

Primary 5 Question

Question


20% of John's savings is $120 more than 30% of Brian's savings.
After John spends 5/6 of his savings, and Brian spends 1/2 of his savings, John has $20 more than Brian. How much did John and Brian save ?


Answer


Saturday, August 29, 2009

Primary 6 Question

Question



There were 40 more raisin buns than strawberry buns. After 3/4 of the raisin buns and 4/5 of the strawberry buns were sold, there were 28 buns left.

(a) How many strawberry buns were there at first?

(b) What fraction of the buns sold were raisin buns?




Answer



Saturday, May 23, 2009

Distance/Speed/Time Question

Question


This question came from my reader's comment


Distance between Town X and Y is 100km.
At 07:00, Sam left Town X and cycled towards Y.
Ann left Town X and cycled towards Y at 07:30.
Ann's cycling speed was 4 km/h faster than Sam. At 10:00, Ann caught up with Samuel. When Ann was 28 km from town Y, she stopped to wait for Samuel.

(a) How far was Samuel from Ann when she stopped to wait for him?

(b) How many minutes did Ann wait for Samuel?


Answer