Number System ind the number, difference between number and its 3/5 is 50 120 124 125 123 120 124 125 123 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Let the number = x,Then, x-(3/5)x = 50,=> (2/5)x = 50 => 2x = 50*5,=> x = 125
Number System 65 x 288 ÷ 52 = 1.8 x ? 210 200 190 180 210 200 190 180 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP ? = 65x288/52x1.8 = 200
Number System 2/11 of 3/7 of 8/13 of 12012 = ? 576 241 449 321 576 241 449 321 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP ? = 2 x 3 x 8 x 12012/11 x 7 x 13 = 576
Number System Find the least number when successively divided by 2, 3 and 7 leaves remainders 1, 2 and 3 respectively? 67 65 75 61 67 65 75 61 ANSWER DOWNLOAD EXAMIANS APP
Number System What value should come in place of ? in the given number series ? 15, 51, 162, 498, 1509, ? 7878 3434 4545 5656 7878 3434 4545 5656 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 15, (15 + 2) x 3 = 51,(51 + 3) x 3 = 162, (162 + 4) x 3 = 498, (498 + 5) x 3 = 1509(1509 + 6) x 3 = 4545
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 31/58 34/55 37/52 32/51 31/58 34/55 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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