Level 3 The product of two numbers is greater than 80 but less than 85. The sum of the two numbers is a multiple of 5. The difference between the two numbers is 8.
Level 2
Abigail has twice the number of hair clips as Betty. Clare has thrice the number of hair clips as Abigail. If Clare has 504 hair clips, how many hair clips do the three girls have altogether?
Level 3
Jonathan wants to purchase a new car which costs $134850. Jonathan will pay a monthly instalment over a period of 5 years after paying a downpayment of $12850. How much is each monthly instalment? Round your answer off to the nearest thousand.
Level 2
In a conference, there were 651 females and 97 males. How many males must join in order for the number of males to be twice that of the number of females?
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
Daryl was trying to sleep one night but there was too much noise around him. His clock ticked every 10 seconds, a tap was dripping every 12 seconds and his dog snored every 15 seconds. He noticed on his clock that all 3 things happened together at 11 p.m.
At what time would all 3 things happen together again?
How many times would all 3 things happen together again from 11 p.m. to 12 midnight?
