71. If 0 < x < 1, which of the following is greatest ?
72. Which one of the following is a prime number ?
73. If the sum of two numbers is 14 and their difference is 10. Find the product of these two numbers.
74. 7 is added to a certain number; the sum is multiplied by 5 ; the product is divided by 9 and 3 is subtracted from the quotient. Thus, if the remainder left is 12, what was the original number ?
75. If n is an integer, how many values of n will give an integral value of $$\left( {\frac{{16{n^2} + 7n + 6}}{n}} \right)$$ ?
76. What is 786 times 964 ?
77. Let x be the product of two numbers 3, 659, 893, 456, 789, 325, 678 and 342, 973, 489, 379, 256. The number of digits in x is :
78. 8899 - 6644 - 3322 = ? - 1122
79. 76n - 66n, where n is an integer > 0, is divisible by :
80. What minimum value should be assigned to *, so that 2361*48 is exactly divisible by 9 ?
Read More Section(Number System)
Each Section contains maximum 100 MCQs question on Number System. To get more questions visit other sections.