Level 3
In a room with a certain number of people, each person shook hands with the rest of the people only once. The total number of handshakes is 78. How many people are there in the room?
Level 3
The figure shows the first 3 triangular patterns which are formed with circles. How many circles are needed to form the 7th triangular pattern?
Level 3
The figure shows the first 3 triangular patterns which are formed with circles. How many circles are needed to form the 7th triangular pattern?
Level 2
Terry has to climb 14 steps to get from one storey to the next. How many steps does she have to climb to get from the third storey to the tenth storey?
Level 2
Mr Lee bought some pens for his class of 40 pupils. 15 pupils received a total of 60 pens while the rest of the pupils received 3 pens each. How many pens did Mr Lee buy?
Level 2
Last weekend, Mr Tan, his wife, his 10 year-old daughter and 13 year-old son visited an exhibition. The admission fees are as follows: Adult (above 12) $8 Child $5
How much did the Tan family pay altogether?
Level 2
In the training, Martin took 3 min 48 s to complete the 1st lap and 16 s longer to complete the 2nd lap. What was the total time Martin had taken to complete the two laps in the training? (Leave your answer in min and s)
