Number System If (17)3 is subtracted from the square of a number, the answer so obtained is 2143. What is the number ? 81 82 84 83 81 82 84 83 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP x² - (17*17*17) = 2143or x² = 2143 + 4913 = 7056∴ x = 84
Number System 732.96 + 405.38 - 604.08 - 105.44 + 222.86 = ? 641.68 651.68 631.68 621.68 641.68 651.68 631.68 621.68 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP ? = 1361.20 - 709.52 = 651.68
Number System If 2^(2x-1) = 8^(3-x), then the value of x is: 9 5 2 6 9 5 2 6 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 2
Number System How many numbers up to 100 are divisible by 7? 100 107 93 14 100 107 93 14 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 100/7 = 14 2/7 => 14 Numbers
Number System Twenty times a positive integer is less than its square by 96. What is the integer? 30 20 Cannot be determined 24 30 20 Cannot be determined 24 ANSWER DOWNLOAD EXAMIANS APP
Number System Find the number of factors of 300 excluding 1 and itself. 16 14 18 15 16 14 18 15 ANSWER DOWNLOAD EXAMIANS APP