Number System In how many different ways can the letters of the word ANATOMY be arranged ? 2508 2520 2504 2510 2508 2520 2504 2510 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Here total letters are 7 but A comes twice.Therefore, Numbers of arrangements = 7!/2! = 2520
Number System Given √2 = 1.414, the value of √8 + 2√32 - 3√128 + 4√50 is 8.684 8.784 8.484 8.584 8.684 8.784 8.484 8.584 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 8.484
Number System The sum of two numbers is 25 and their difference is 13. Find their product. 325 114 104 315 325 114 104 315 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 In a division sum, the divisor is 10 times the quotient and 5 times the remainder. If the remainder is 46, the dividend is: 2568 9865 6890 5336 2568 9865 6890 5336 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 5336
Number System Which number should replace question mark (?) in the following equation ? ?/342 = 38/? 112 118 116 114 112 118 116 114 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP (?)² = 342 x 38Therefore, ? = √342 x 38 = √38 x 9 x 38 = 38 x 3 = 114
Number System The sum of four consecutive even numbers is 36. Find the sum of the squares of these numbers? 252 388 344 296 252 388 344 296 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Let the four numbers be x, x + 2, x + 4 and x + 6.=> x + x + 2 + x + 4 + x + 6 = 36=> 4x + 12 = 36 => x = 6The numbers are 6, 8, 10 and 12.Sum of their squares = 62 + 82 + 102 + 122 = 36 + 64 + 100 + 144 = 344.