Number System In how many different ways can the letters of the word "MOBILIZE" be arranged ? 20160 19765 17453 18456 20160 19765 17453 18456 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP The word MOBILIZE has eight letters in which I comes twice ∴ Number of arrangements = 8!/2! = 20160
Number System The Twenty-First Century will start on January 1 in the year 2100 2101 2000 2001 2100 2101 2000 2001 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 2001
Number System What is the sum of 1 + 2 + 3+ ... + 27 ? 343 396 382 378 343 396 382 378 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Sum = 27 x (27 + 1)/2= 27 x 28/2= 27 x 14= 378
Number System Sum of two numbers is 15. Two times of the first exceeds by 5 from the three times of the other. Then the numbers will be? 9, 6 10, 5 7, 8 6, 9 9, 6 10, 5 7, 8 6, 9 ANSWER DOWNLOAD EXAMIANS APP
Number System The sum and the product of two numbers are 25 and 144 respectively, the difference of the number is? 11 3 7 5 11 3 7 5 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP x + y = 25xy = 144(x- y)2 = (x + y)2 – 4xy(x- y)2 = 625 – 576 => (x – y) = 7
Number System If A = 1, B = 3, C = 5 and so on, what do the numbers 3, 9, 7 stand for BAT CAR BED CAT BAT CAR BED CAT ANSWER EXPLANATION DOWNLOAD EXAMIANS APP BED
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