Number System If 4 2/3 is subtracted form 10 1/2 and the difference is multiplied by 450, then what is the final answer? 2675 2725 None of these 2875 2675 2725 None of these 2875 ANSWER DOWNLOAD EXAMIANS APP
Number System Supply the missing figure : 2, 6, 12, 20, 30 ... 56 42 39 40 41 42 39 40 41 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 42
Number System 4/6 of 6/5 of 5/7 of a number is 96. Find the number. 168 170 162 164 168 170 162 164 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Let the number be x.∴ x x 4/6 x 6/5 x 5/7 = 96∴ x = 96 x 6 x 5 x 7/4 x 6 x 5 = 168
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 29/145 28/144 27/143 30/146 29/145 28/144 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 Given √2 = 1.414, the value of √8 + 2√32 - 3√128 + 4√50 is 8.584 8.484 8.684 8.784 8.584 8.484 8.684 8.784 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 8.484
Number System If R2 = S3 = K, where R, S and K are integers. Find the smallest positive integral value of K. (Greater than 1) 64 75 54 88 64 75 54 88 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 64
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