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?
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?
Level 3
I am a number.
I have the digit 6 which is in the thousands place.
I also have the digit 8 which has a value of 80.
My digit in the ones place is 1 more than my digit in the tens place.
The value of my digit in the hundreds place is 620 more than the value of my digit in the tens place.
My digit in the ten thousands place is 2 less than my digit in the thousands place.
What number am I?
Level 3
A tank containing some water and 7 identical stones has a mass of 1 kg 235 g. When the 7 stones were taken out, the mass of the tank of water became 759 g. Find the mass of each stone.
(Give the answer in grams.)
Level 3
Nick, Billy and Ryan scored a total of 220 marks for their Mathematics test. Billy scored 67 marks. Ryan scored 12 more marks than Billy. How many marks did Nick score?
Level 2
I am a whole number. The sum of all my digits is 20. If you round me off to the nearest ten, you will get 970. If you round me off to the nearest hundred, you will get 1000. Who am I?
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?
Level 3
An even 5-digit whole number is made up of different digits. The digit in the ten thousands place is the smallest even number. It is 5 less than the tens digit. The thousands digit is twice of the hundreds digit. The hundreds digit is 4 less than the tens digit. What is the smallest possible 5-digit whole number?
Level 3
If you round me off to the nearest thousand, you will get 7000. If you round me off to the nearest hundred, you will get 7100. The sum of all my digits is 16. What is my largest possible value?
Level 2
Both number X and number Y when rounded off to the nearest hundred are 1200 and 5500 respectively. What is the smallest possible total for X and Y?
Level 3 Forty-four pupils sat for an essay-writing examination. Twenty-eight of them answered Question 1. Twenty-five of them answered Question 2. Sixteen of them answered both Question 1 and Question 2. How many pupils did not answer either or both Question 1 and Question 2?
