Number System What should come in place of question mark (?)? 8 : 1 1 : : 72: 79 99 89 109 79 99 89 109 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Let ? = xTherefore 8 : 11 : 72 : xTherefore x = (11 x 72) / 8 = 99
Number System If the difference between the squares of two consecutive numbers is 47, what is the smaller number ? 26 23 25 24 26 23 25 24 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Let the numbers be (x + 1) and x.Therefore, (x + 1)² - x² = 47x² + 2x + 1 - x² = 472x + 1 = 47Therefore, x = 46/2 = 23
Number System 486+32×25—59=? 582 596 528 567 582 596 528 567 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 528
Number System The product of two consecutive odd numbers is 4095 What is the greater number ? 69 74 61 65 69 74 61 65 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 What is 25/2% of 482 times of 183 ? 12025.50 12025.75 11025.75 11050.75 12025.50 12025.75 11025.75 11050.75 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 25/2% of [482 x 183]= 25/2% of 88206= 25/2 x 88206 / 100= 88206 / 8= 11025.75
Number System What is the missing number in this series? 8 2 14 6 11 ? 14 6 18 12 3 2 9 7 3 2 9 7 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 9
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