Number System 0.333 .... × 0.444 .... is equal to 1.333 .... 0.777 .... 0.148148148 .... 0.121212 .... 1.333 .... 0.777 .... 0.148148148 .... 0.121212 .... ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 0.148148148 ....
Number System √207.36 = ? 12.3 14.4 15.7 16.7 12.3 14.4 15.7 16.7 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP √207.36 = √20736/√100 = 144/10 = 14.4
Number System If A = 1, B = 3, C = 5 and so on, what do the numbers 3, 9, 7 stand for CAT BAT CAR BED CAT BAT CAR BED ANSWER EXPLANATION DOWNLOAD EXAMIANS APP BED
Number System Find the least number which when divided by 35 and 11 leaves a remainder of 1 in each case. 388 386 384 391 388 386 384 391 ANSWER DOWNLOAD EXAMIANS APP
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 ? 29/145 30/146 27/143 28/144 29/145 30/146 27/143 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 How many numbers up to 300 and 700 are divisible by 2, 3 and 7 both together? 8 10 9 11 8 10 9 11 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP (700 – 300)/42 = 9 22/42 => 9 Numbers
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