Home Maths Practice 1- Number System -ITO Maths Practice 1- Number System -ITO personSpeed Up Science September 16, 2025 0 share Level 1 - Number System Quiz Level 1 - Number System Quiz (Easy) 1. Which is the smallest natural number? 0 1 2 -1 2. The largest 3-digit number is: 100 101 999 1000 3. Which of the following is an odd number? 48 64 35 100 4. How many whole numbers are there between 15 and 20? 3 4 5 6 5. Which of these is a prime number? 15 17 21 27 6. The place value of 7 in 5728 is: 7 70 700 7000 7. The successor of 999 is: 1000 998 99 1001 8. Which of the following is divisible by 5? 134 145 267 392 9. Which of the following is the greatest 2-digit number? 90 98 99 100 10. If a number is divisible by 2 and 3, then it is also divisible by: 4 5 6 12 Submit Facebook Twitter Whatsapp Newer Older