Number System A certain number successively divided by 2, 5 and 7 leaves remainders 1, 2 and 3 respectively. When the same number is divided by 70, what is the remainder? 35 33 36 34 35 33 36 34 ANSWER DOWNLOAD EXAMIANS APP
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 ? 32/51 34/55 31/58 37/52 32/51 34/55 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
Number System If the following fractions 7/6, 6/7, 5/3, 8/13 and 6/5 are arranged in descending order, which will be the last in the series? 8/13 7/13 9/13 6/13 8/13 7/13 9/13 6/13 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 7/6 = 1.166, 6/7 = 0.857,5/3 = 1.66,8/13 = 0.615,6/5 = 1.2Therefore, 5/3 > 6/5 > 7/6 > 6/7 > 8/13
Number System Write the next number in the series : 14, 16, 13, 17, 12, 18, 11 .... 7 19 15 1 7 19 15 1 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 19
Number System 7.98 x 3.75 + 1.28 x 15.5 = ? 48.765 49.765 47.765 46.765 48.765 49.765 47.765 46.765 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP ? = 29.925 + 19.84 = 49.765
Number System How many figures are required to number the pages the pages of a book containing 365 pages? 987 967 897 977 987 967 897 977 ANSWER DOWNLOAD EXAMIANS APP
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