61. 10531 + 4813 - 728 = ? × 87
62. n being any odd number greater than 1, n65 - n is always divisible by :
63. 414 × ? × 7 = 127512
64. Find the multiple of 11 in the following numbers.
65. 884697 - 773697 - 102479 = ?
66. In a division sum, the remainder was 71. With the same divisor but twice the dividend, the remainder is 43. Which one of the following is the divisor ?
67. What is the number of prime factors contained in the product 307 × 225 × 3411 ?
68. 217 × 217 + 183 × 183 = ?
69. 1260 ÷ 14 ÷ 9 = ?
70. Consider the following statements :
1. If x and y are composite numbers, then x + y is always composite.
2. There does not exist a natural number which is neither prime nor composite.
Which of the above statements is/are correct ?
1. If x and y are composite numbers, then x + y is always composite.
2. There does not exist a natural number which is neither prime nor composite.
Which of the above statements is/are correct ?
Read More Section(Number System)
Each Section contains maximum 100 MCQs question on Number System. To get more questions visit other sections.