Level 3
In a restaurant, a rectangular table can seat 10 persons and a round table can seat 5 persons. During lunch time, all the tables in the restaurant were occupied. The number of each type of table in the restaurant is more than 10 and less than 15. If there were 205 customers, how many tables of each type were there for them?
(a) Round tables
(b) Rectangular tables
4 m
Level 3
Jim is 30 years old. His daughter is 17 years younger than he. What will their total age be in 8 years' time?
4 m
Level 2
The total age of Ali and Ben is 78 years this year. In how many years' time will their total age be 90 years?
4 m
Level 3
The total age of David and his mother is 55 years now. David's mother is 4 times as old as her son. How old will David be in 8 years' time?
4 m
Level 2
Jenny is 9 years old now. She is 24 years younger than her mother. In how many years' time will Jenny's mother be thrice as old as Jenny?
4 m
Level 2
Jean was 8 years old and her mother was 41 years old last year. In how many years' time will Jean's mother be 4 times as old as Jean?
4 m
Level 3
John spent 2 h 30 min to complete his Science and English assignments. He spent 30 min more on his Science assignment than his English assignment. How long did he take to complete his English assignment?
4 m
Level 3
At sunrise an ant began jumping up a 2-metre sand hill. Every hour, it was able to climb up 40 cm, but then slid back 30 cm due to the loose sand. How long did it take the ant to reach the top?
4 m
Level 3
Donna took 25 min to complete her Science assignment. She took 7 times as long to making her report presentation. Find the total amount of time she spent doing her Science assignment and making her report presentation. (Give the answer in hours and minutes.)
4 m
Level 3
Jake spent 1 h 30 min to trim and water the plants in his garden. He took twice as long to trim the plants than to water the plants. How long did he spend watering the plants?
4 m