Menata Hati, Mengasah Minda

The figure below shows two identical right-angled triangles overlapping each other. Find the area of the blue region.  Solution : The two tr...

Sarah had some money in the piggy bank. On Monday, she took 2/5 of the money to buy a present. She had $78 left and she put it back into the...

Tammy bought some apples and pears. The number of apples to the number of pears is 2:1. An apple cost $1.50 and a pear cost $0.90. Tammy spe...

 

Xavier and Yvonne had a total of 1105 tickets to sell. Xavier sold 3/5 of his tickets and Yvonne sold 3/7 of her tickets. They were left wit...