21 P4.WN.JM.17102256
Level 2
The sum of the smallest and greatest factors of 99999 is _______.
2 m
W Addition & subtraction Factors Min-max
22 P4.WN.JM.17102447
Level 3
The sum of Beatrice's age and her younger sister's age is 26. The product of their ages is 144. What is Beatrice's age in 20 years' time?
3 m
Factors Guess & check
23 P4.WN.JM.17102235
Level 3
The sum of all the factors of 20 is the 6th multiple of a number. What is the number?
3 m
Multiples Factors
24 P4.WN.JM.17102233
Level 2
B is a number. It is a factor of 30 and also a multiple of 6. What is/are the possible values of B? Give your answer(s) in numbers. (Eg 1 or 1, 2)
3 m
Multiples Factors
25 P4.WN.JM.17102153
Level 1
What is the largest 5 digit number that has 5 as one of its factors and is less than 100000?
3 m
Factors Min-max More than or less than

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