Number System 3251 + 587 + 369 - ? = 3007 1300 1250 1200 1375 1300 1250 1200 1375 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Let 4207 - x = 3007 Then, x = 4207 - 3007 = 1200
Number System The product of two consecutive odd numbers is 4095 What is the greater number ? 69 74 65 61 69 74 65 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 √343 = ? 19 21 20 18 19 21 20 18 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP ? = √343 = 18
Number System If three eighth of a number is 141. What will be the approximately value of 32.08% of this number? 60 90 120 160 60 90 120 160 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP x * 3/8 = 141 => x= 376376 * 32.08/100 = 120
Number System Simplify the 121 * 175 + 363 * 275 None of these 363000 328100 316600 None of these 363000 328100 316600 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 121 * 175 + 363 * 275 => 121 * 175 + 121 * 3 * 275121 * 175 + 121 * 825= 121 * (175 + 825) = 121000
Number System Find the number, when 15 is subtracted from 7 times the number, the result is 10 more than twice of the number 7.5 4 5 15 7.5 4 5 15 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Let the number be x.7x -15 = 2x + 10 => 5x = 25 => x = 5