Number System Supply the missing figure : 1, 4, 9, 16, 25 .... 49 16 42 36 23 16 42 36 23 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 36
Number System The product of two consecutive odd numbers is 4095 What is the greater number ? 65 69 74 61 65 69 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 (800 / 64) * (1296 / 36) = ? None of these 500 460 420 None of these 500 460 420 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Given Exp.= 800/64 * 1296/36 = 12.5 * 36 = 450
Number System Which number should replace question mark (?) in the following equation ? ?/342 = 38/? 118 114 116 112 118 114 116 112 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP (?)² = 342 x 38Therefore, ? = √342 x 38 = √38 x 9 x 38 = 38 x 3 = 114
Number System Find the nearest to 25268 which is exactly divisible by 467? 25308 25218 25208 25228 25308 25218 25208 25228 ANSWER DOWNLOAD EXAMIANS APP
Number System What least number shall be added to 4700 to make it a perfect square ? 91 81 61 71 91 81 61 71 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP (69)² = 4761 and (68)² = 4624Clerly 4624 < 4700 < 4761So 61 should be added to make 4700 a perfect square.