Level 2 PSLE Faber and Elly started jogging at the same time from point A to point C along the route shown. Faber jogged 30 m/min faster than Elly. When Faber reached point C, he turned around at once to jog towards point A. He met Elly at point B . They did not change their speeds throughout. What was Elly's jogging speed in m/min?
Level 2 PSLE Faber and Elly started jogging at the same time from point A to point C along the route shown. Faber jogged 30 m/min faster than Elly. When Faber reached point C, he turned around at once to jog towards point A. He met Elly at point B . They did not change their speeds throughout. What was Elly's jogging speed in m/min?
Level 3
The average age of a group of teachers and lawyers is 40. If the average age of the teachers is 35 years and that of the lawyers is 50 years, what is the ratio of the number of teachers to lawyers?
Level 2 PSLE
The average height of a group of children was 139.4 cm.
When Mr Tan measured and recorded the height of these children, he wrongly recorded one child's height as 181 cm when it should have been 118 cm. As a result, Mr Tan calculated the average height as 142.4 cm. How many children were there in the group?
Level 3
Bottle A and Bottle B have a total amount of 1050 mℓ of water. For Bottle B and Bottle C, the total amount of water is 1320 mℓ. The amount of water in Bottle A is 25 the amount of water in Bottle C. What is the average amount of water in the 3 bottles?
