Number System What should come in place of question mark (?)? 8 : 1 1 : : 72: 109 99 79 89 109 99 79 89 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Let ? = xTherefore 8 : 11 : 72 : xTherefore x = (11 x 72) / 8 = 99
Number System A number when multiplied by five times of itself give the value equal to 1445. What is the number ? 15 18 17 16 15 18 17 16 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP x x 5x = 1445= 5x² = 1445= x² = 289∴ x = 17
Number System If one-third of one fourth of a number is 15, then three-tenth of that number is: 45 54 25 35 45 54 25 35 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Let the number be x. Then,1/3 of 1/4 of x = 15x = 15 * 12 = 180So, required number = (3/10 * 180) = 54.
Number System (800 / 64) * (1296 / 36) = ? 460 420 500 None of these 460 420 500 None of these ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Given Exp.= 800/64 * 1296/36 = 12.5 * 36 = 450
Number System If 70% of an equal to 40% of b, then ratio between a and b is? 4: 7 None 7: 4 7: 11 4: 7 None 7: 4 7: 11 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 70 a = 40 ba: b = 4: 7
Number System Which number should replace question mark (?) in the following equation ? ?/342 = 38/? 118 112 116 114 118 112 116 114 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP (?)² = 342 x 38Therefore, ? = √342 x 38 = √38 x 9 x 38 = 38 x 3 = 114
EXAMIANS