# Quantitative Aptitude :: Number System Problems And Answers

Number System Formulaes

 Quantitative Aptitude Reasoning Programming Verbal Ability

61. The sum of the first 100 numbers, 1 to 100 is always divisible by

 A. 2 B. 2 and 4 C. 2, 4 and 8 D. None of these

62. Find the least value of 'a' so that 365a24 is divisible by 8.

 A. 9 B. 8 C. 0 D. 2

63. Find the number of digits that are to be used in numbering a book of 400 pages.

 A. 1094 B. 1093 C. 1092 D. 1099

64. Find the number of divisor of 175.

 A. 15 B. 12 C. 9 D. 6

65. The number of divisors excluding 1 and itself for the number 1540 is

 A. 22 B. 20 C. 18 D. 16

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