Number System What is the sum of 1 + 2 + 3+ ... + 27 ? 382 343 396 378 382 343 396 378 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Sum = 27 x (27 + 1)/2= 27 x 28/2= 27 x 14= 378
Number System 3√103823 = ? 44 47 52 41 44 47 52 41 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP ? = 3√103823 = 3√47 x 47 x 47 = 47
Number System In how many different ways can the letters of the word ANATOMY be arranged ? 2508 2510 2520 2504 2508 2510 2520 2504 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Here total letters are 7 but A comes twice.Therefore, Numbers of arrangements = 7!/2! = 2520
Number System Which is the smallest fractions among the following ? 27/31 13/15 15/19 11/13 27/31 13/15 15/19 11/13 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 11/13 = 0.8461,13/15 = 0.8666,27/31 = 0.87,15/19 = 0.789
Number System The difference between the two digit number and the number obtained by interchanging its digits is 54. The difference between the digits is? 1 Nothing can be said. 6 4 1 Nothing can be said. 6 4 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP (10x + y) – (10y + x) = 54x – y = 6
Number System (4 86%of 6500) ÷ 36 =? 877.5 977.5 677.5 777.5 877.5 977.5 677.5 777.5 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 877.5
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