Number System 4500 * ? = 3375 3/5 3/4 2/5 1/4 3/5 3/4 2/5 1/4 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 4500 * x = 3375= x = 3375/4500 = 3/4
Number System Supply the missing figure : 2, 6, 12, 20, 30 ... 56 39 40 42 41 39 40 42 41 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 42
Number System In how many different ways can the letters of word "SENTENCE" be arranged ? 3260 6460 3360 2360 3260 6460 3360 2360 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Number of ways = 8!/3! 2! = 40320/12 = 3360
Number System What is the least number to be subtracted from 696 to make it a perfect square? 71 16 20 1 71 16 20 1 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP The numbers less than 696 and are squares of certain numbers are 676, 625.The least number that should be subtracted from 696 to make it perfect square = 696 - 676 = 20.
Number System 2/11 of 3/7 of 8/13 of 12012 = ? 576 449 321 241 576 449 321 241 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP ? = 2 x 3 x 8 x 12012/11 x 7 x 13 = 576
Number System A basket contains 5 blue, 4 green and 3 red ball. If three balls are picked at random, what is the probability that at least one is red ? 34/55 32/51 31/58 37/52 34/55 32/51 31/58 37/52 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Probability of having no red ball is9C3 / 12C3 = 21/55Probability of having at least one red ball is 1 - 21/55 = 34/55
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