Number System 35%of ?=242 487 542 693 394 487 542 693 394 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 693
Number System √(17)² + (17)² + (5)² - 2 = ? 17 18 16 19 17 18 16 19 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP ? = √49 + 289 + 25 - 2 = √361 = 19
Number System A box contains 5 red, 4 black and 4 blue balls. If 3 balls are drawn randomly from the box, what is the probability that there are exactly 2 blue balls in the three drawn balls ? 27/143 30/146 28/144 29/145 27/143 30/146 28/144 29/145 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Total balls = 5 + 4 + 4 = 13∴ n(S) = 13C3 = 2862 blue balls can be selected from 4 balls in 4C2 = 6 ways and the remaining one ball is to be selected from 9 balls in 9C1 = 9 ways ∴ n(E) = 6 x 9∴ P(E) = 6 x 9/286 = 27/143
Number System Complete the series : 1, 8, 27, 64, 125, 216 ..... 343 373 353 363 343 373 353 363 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 343
Number System If the product of two successive positive integers is 4692, what is the smaller number ? 70 64 68 66 70 64 68 66 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP ∵ 68 x 69 = 4692
Number System What is the value of 8/11 of 5/7 of 96% of 28875 ? 13800 15400 12900 14400 13800 15400 12900 14400 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Number = 8 x 5 x 96 x 28875/11 x 7 x 100 = 14400
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