Level 3
Tanya takes 6 minutes to jog 1 round on the track while Joel takes 9 minutes to jog 1 round. Both of them started jogging around the track in the same direction and at the same time. How long would it take for them to meet each other for the first time at the starting point?
Level 3
Sandy, Tina and Vivian baked some tarts. Sandy and Tina baked 34 of the tarts. Tina and Vivian baked 35 of the tarts. Sandy and Vivian baked 520 tarts altogether.
What fraction of the tarts did Sandy and Vivian bake altogether?
Level 3
Red, blue and green cloths are sold in 40 cm, 70 cm and 100 cm long respectively. Ron wanted to buy equal length of each color. What is the least number of rolls of each color he must buy?
Level 3
Gerald bought bottles of apple juice, orange juice and lemon juice of 250 mℓ, 300 mℓ and 500 mℓ respectively. He wanted to have equal amount of each type of juice. What is the least number of bottles he must buy for