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1. Max power of 2 that divides 7! exactly -




2. Max power of 2 in 100! is -




3. Max power of 3! in 100! is -




4. Cyclocity of 1 is -




5. Cyclociity of 2 is -




6. Cyclocity of 3 is -




7. Cyclocity of 5 is -




8. Unit digit of number if number is 3 to the power 983 ?




9. unit digit of number,if number is 7 to the power 542 ?




10. Factorial of 5 is -




11. factorial of 7 is -




12. Highest power of 4 in 10! ?




13. Highest power of 16 in 60! -




14. What will be the remainder when 1!+2!+3!+4!+.....+100! is divide by 4 ?




15. What will the remainder when 1!+2!+3!+........100! is divided by 24 ?




16. How many factors of 10! are a multiple of 7! ?




17. HCF of 36,24,108 is




18. HCF of 144,192,360 is -




19. The HCF of two natural number is 10. sum of these two natural number is 90. how many pair of number are possible ?




20. If the HCF of two natural number is 12, product of these two natural number is 1728. How many pair of number are possibe ?




21. Find the greatest number that on dividing 150,194,245 leaves a remainder of 6,2,5 respectively




22. Find the greatest number that on dividing 173,293,345 leaves a remainder of 3,4,5 respectively




23. Find the greatest number that on dividing 480,600,800 leaves a same remainder in each case.




24. If the HCF of 120 and N is 8, how many two digit value called N assumed?




25. HCF of 12,24,48,96,192,...........................




26. HCF of 1,12,24,48,96,192,...........................




27. HCF of 13,11,17 ?




28. HCF of prime numbers is always -




29. LCM of 2,4,8,16,32,64 up-to 10th term is




30. LCM of 34,68 is -




31. LCM of prime numbers pair is always -




32. How many factor of N are going to have 5 at the unit places, where N is (2 to the power 5) *(3 to the power 4)*(5 to the power 2)




33. Number is divisible by 2 if unit digit is divisible by




34. Number is divisible by 3




35. number is divisible by 9 if




36. Number is divisible by 4




37. Number is divisible by 8




38. Number is divisible by 5 -




39. Number is divisible by 10-




40. Number is divisible by 11 -




41. Number is divisible by 25 -




42. Number is divisible by 6 -




43. Highest power of 6! in 50! ?




44. Highest power of 6 in 85! * 84! ?




45. Highest power of 6 in 85! - 84! ?




46. How many factor of 540,360,900 common to each other ?




47. LCM of 11 and 13 is




48. HCF of 11,13,17,19,21 is




49. unit digit of N is 5 where N is natural number, if N is multiply by any even number then unit digit become ?




50. What should be multiply in 9 to become 27 ?




51. Prime number is




52. if 23*43*63 is divided by 4 then remainder is -




53. LCM of 4 and 8 is




54. Lcm of 45 and 90 is




55. LCM of 56 and 112 is -




56. HCF of 34,13 and 17 is




57. HCF of 24,48,60 is




58. Prime number is




59. Prime numbers are those which are




60. when 10 power of 2 is divided by 256 the leaves the remainder of ?