- List the 17th multiple of 8.
- Find the first 2 common multiples of the 7 and 11.
- Find the HCF of 168 and 236.
- Find the least number which should be added to 2497 so that the sum is exactly divisible by 3, 4, 5 and 6.
- When freshly plucked from a tree, 80% of a pear consists of water. After being exposed to the sun for an hour, 25% of the water had evaporated. What percentage of the pear consists of water now?
- The tickets for a dinner show were sold at $150 each. When the ticket price was reduced, the number of customers tripled and the total earnings doubled. By how much was the ticket price reduced?
- In an amusement park, adults and children were charged $13 and $6.50 respectively for a ride. A total of $3022.50 was collected from fewer than 400 of them. What was the smallest possible number of adults who took the ride?
- The number sequence is as follows:

18, 21, 16, 23, 14, 25……

Find the next 4 number in the sequence. - At the end of the Olympics, all 20 sportsmen each representing a different country, shook hands with each of the other 19 sportsmen. How many handshakes wer
- If the difference between 100x + 10y + z and 10z + y is 10x + z, what digits do x, y and z stand for?

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