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 The square root of 0.0081 is: 0.09 0.91 0.9 0.009 0.09 0.91 0.9 0.009 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 0.09
Number System 84 * 29 + 365 = ? - 2071 - 2801 2436 2801 - 2071 - 2801 2436 2801 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP - 84 * (30 - 1) + 365= - (84 * 30) + 84 + 365= - 2520 + 449 = - 2071
Number System 7589 - ? = 3434 11023 1123 4155 4242 11023 1123 4155 4242 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Let 7589 - x = 3434Then x = 7589 - 3434 = 4155
Number System A gardener wants to plant trees in his garden in such a way that the number of trees in each row should be the same. If there are 4 rows or 5 rows or 6 rows, then no tree will be left. Find the least 30 120 60 240 30 120 60 240 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP The least number of trees that are required = LCM(4, 5, 6) = 60.
Number System What least number should be added to 8602 to make it a perfect square ? 47 41 36 51 47 41 36 51 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP So, (93)² = 8649So, the required number to be added to make a perfect square = 8649 - 8602 = 47