Number System The product of two consecutive odd numbers is 4095 What is the greater number ? 65 61 69 74 65 61 69 74 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 (1024—263—233)÷(986—764— 156) =? 8 None of these 6 10 8 None of these 6 10 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 8
Number System 7.98 x 3.75 + 1.28 x 15.5 = ? 48.765 49.765 47.765 46.765 48.765 49.765 47.765 46.765 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP ? = 29.925 + 19.84 = 49.765
Number System A number consists of two digits. If 3/5 of 1/5 of the number is 9. Find the sum of its two digits? 8 60 7 12 8 60 7 12 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP x * 3/5 * 1/5 = 9x = 75 => 7 + 5 = 12
Number System The sum of two numbers is 25 and their difference is 13. Find their product. 315 325 114 104 315 325 114 104 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Let the numbers be x and y. Then x + y = 25 and x - y = 13.x = 19; y = 6xy = 19 * 6 = 114
Number System A certain number of two digits is three times the sum of its digits. If 45 be added to it, the digits are reversed. The number is: 30 27 24 22 30 27 24 22 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 27
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