Online Test Of Basic Number System
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For students upto class 5th, Take a test and increase your growth.
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#1. Which of the following numbers in Roman Numerals is incorrect? AKR
#2. 1 billion is equal to
#3. Which of the following is not defined?
#4. The product of a non-zero whole number and its successor is always divisible by
#5. The number of factors of 36 is
#6. The sum of first three common multiples of 3, 4 and 9 is
#7. 3 × 10000 + 0 × 1000 + 8 × 100 + 0 × 10 + 7 × 1 is same as
#8. The product of the place values of two 2’s in 428721 is
#9. If 1 is added to the greatest 7- digit number, it will be equal to
#10. The expanded form of the number 9578 is
#11. When rounded off to nearest thousands, the number 85642 is
#12. The largest 4-digit number, using any one digit twice, from digits 5, 9, 2 and 6 is
#13. In Indian System of Numeration, the number 58695376 is written as
#14. One million is equal to
#15. The greatest number which on rounding off to nearest thousands gives 5000, is
#16. Keeping the place of 6 in the number 6350947 same, the smallest number obtained by rearranging other digits is
#17. Which of the following numbers in Roman numerals is incorrect?
#18. The largest 5-digit number having three different digits is
#19. The smallest 4-digit number having three different digits is
#20. Number of whole numbers between 38 and 68 is
#21. The product of successor and predecessor of 999 is
#22. The product of a non-zero whole number and its successor is always
#23. A whole number is added to 25 and the same number is subtracted from 25. The sum of the resulting numbers is
#24. Which of the following is not true?
#25. Which of the following statements is not true?
#26. The predecessor of 1 lakh is
#27. The successor of 1 million is
#28. Number of even numbers between 58 and 80 is
#29. Sum of the number of primes between 16 to 80 and 90 to 100 is
#30. Which of the following statements is not true?
#31. The number of distinct prime factors of the largest 4-digit number is
#32. The number of distinct prime factors of the smallest 5-digit number is
#33. If the number 7254*98 is divisible by 22, the digit at * is
#34. The largest number which always divides the sum of any pair of consecutive odd numbers is
#35. A number is divisible by 5 and 6. It may not be divisible by
#36. The sum of the prime factors of 1729 is
#37. The number of common prime factors of 75, 60, 105 is
#38. Which of the following pairs is not coprime?
#39. LCM of 10, 15 and 20 is
#40. LCM of two numbers is 180. Then which of the following is not the HCF of the numbers?
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