Level 2
Find the product of 809 and 78.
  1. Write down the smallest 5 digit number that can be formed using all the 5 digits obtained from the result.
  2. Find the largest possible odd number that can be formed with the same set of digits.
2 m
Level 2
Using the digits, arrange and form the largest 5-digit even number.
7, 9, 0, 6, 2.
2 m
Level 2
What is the difference between the smallest 4-digit odd number and the greatest 3-digit even number?
2 m
Level 3
There is a 4-digit number. The digit in the hundreds place is thrice the digit in the ones place. The digit in the thousands place is the smallest even number. The sum of all the digits is 21. What is the number?
3 m
Level 3
I am a 5 digit number.
All my digits are odd.
The sum of the 5 digits is 25.
The digits in the ten thousands place and ones place make 10.
The ones digit is 4 more than the ten thousands digit.
The digits in the hundreds place and tens place make 10 too.
The tens digit is 4 more than the thousands digit.
If none of the digits is repeated, what is the 5 digit number?
4 m
Level 2
An odd number is a multiple of 3 and a factor of 45. The number is greater than 10 but less than 20. What is the number?
4 m
Level 3
Find the possible value(s) of Y in ascending order if Y is a 2-digit odd number that is smaller than 30, a multiple of 3 and also a factor of 45.
4 m
Level 3
I am a 2-digit even number. I am a factor of 72 and also a multiple of 4. What number am I? Write the smallest number.
4 m
Level 3
I am a 2 digit even number. I am a factor of 80 and a multiple of 4. However, I am not divisible by 5. What number am I?
4 m
Level 3
I am an even number. When 1 is added to me and I am rounded off to the nearest ten, I become 660. When 1 is subtracted from me and I am rounded off to the nearest ten, I become 650. What number am I?
4 m