Number System 35 + 15 * 1.5 = ? 75 5.25 51.5 57.5 75 5.25 51.5 57.5 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Given Exp. = 35 + 15 * 3/2 = 35 + 45/2 = 35 + 22.5 = 57.5
Number System The product of two consecutive odd numbers is 4095 What is the greater number ? 69 65 74 61 69 65 74 61 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Let the two consecutive odd numbers be 2x - 1 and 2x + 1.(2x - 1) (2x - 1) = 4095= 4x² - 1 = 4095= 4x² = 4096= x² = 1024∴ x = 32∴ The numbers are 63 and 65.Greater number = 65
Number System Twenty times a positive integer is less than its square by 96. What is the integer? 24 30 Cannot be determined 20 24 30 Cannot be determined 20 ANSWER DOWNLOAD EXAMIANS APP
Number System A certain number when divided by 45 leaves a remainder 31, what is the remainder if the same number be divided by 15? 13 1 9 11 13 1 9 11 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 45 + 31 = 76/15 = 1 (Remainder)
Number System 217 * 217 + 183 * 183 = ? 80698 80578 81268 79698 80698 80578 81268 79698 ANSWER DOWNLOAD EXAMIANS APP
Number System When the square of a number is substracted from (68)², the answer so obtained is 2508. What is the number ? 44 46 47 45 44 46 47 45 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP (68)² - x² = 2508Therefore, x² = 4624 = 2508Therefore, x = root of 2116 = 46
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