Level 3
John goes to the gymnasium once every 3 days. Maria also goes to the same gymnasium once every 5 days. If they first met on 4th October on which day would they meet again? Give the answer in number(s). (Eg 1)
Natasha had some T-shirts that she wanted to donate. 3 of them were torn and she had to throw them away. She then packed them equally into boxes. Each box could either contain 6 or 7 T-shirts. What is the smallest possible number of T-shirts Natasha had at first?
Level 3
Two lighthouses flash their lights every 36 seconds and 30 seconds. If they flash together at 8:10 p.m., at what time would the two lighthouses flash their lights together again?
Level 3
Paul has a bell that rings every 4 minutes. Lucy has a bell that rings every 7 minutes. The 2 bells ring together at 11 a.m. What time will the 2 bells ring together again?
Level 3 Mrs Tan puts her jelly beans into goodie bags. Each goodie bag contains the same number of jelly beans. If she puts 3 jelly beans, 4 jelly beans or 5 jelly beans into each goodie bag, she will not have any jelly beans left. What is the smallest number of jelly beans Mrs Tan have?
Level 3
Mrs Lee has some balloons. She can share all the balloons equally among 4, 6 or 8 children without any remainder. What is the least possible number of balloons Mrs Lee has?
Level 3
Alyson, Clara and Joyce were each given a piece of string of equal length. Alyson cut hers into equal lengths of 2 m, Clara cut hers into equal lengths of 3 m, and Joyce cut hers into equal lengths of 5 m. If there were no remainder in each case, find the shortest length of string given to each of them.