Number System Which one of the following numbers is exactly divisible by 11? 415624 315624 235641 245642 415624 315624 235641 245642 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP (4 + 5 + 2) - (1 + 6 + 3) = 1, not divisible by 11.(2 + 6 + 4) - (4 + 5 + 2) = 1, not divisible by 11.(4 + 6 + 1) - (2 + 5 + 3) = 1, not divisible by 11.(4 + 6 + 1) - (2 + 5 + 4) = 0. So, 415624 is divisible by 11.
Number System The sum of the squares of three numbers is 138, while the sum of their products taken two at a time is 131. Their sum is: 30 40 20 None of these 30 40 20 None of these ANSWER DOWNLOAD EXAMIANS APP
Number System A number when multiplied by five times of itself give the value equal to 1445. What is the number ? 17 18 16 15 17 18 16 15 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP x x 5x = 1445= 5x² = 1445= x² = 289∴ x = 17
Number System In how many different ways can the letters of the word ANATOMY be arranged ? 2520 2504 2510 2508 2520 2504 2510 2508 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Here total letters are 7 but A comes twice.Therefore, Numbers of arrangements = 7!/2! = 2520
Number System 84 * 29 + 365 = ? - 2801 2801 2436 - 2071 - 2801 2801 2436 - 2071 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP - 84 * (30 - 1) + 365= - (84 * 30) + 84 + 365= - 2520 + 449 = - 2071
Number System 5358 * 51 = ? 273268 273348 273258 273358 273268 273348 273258 273358 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 5358 * 51 = 5358 * (50 + 1) = 5358 * 50 + 5358 * 1= 267900 + 5358 = 273258
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