Number System Two-third of a positive number and 25/216 of its reciprocal are equal. The number is: 25/144 12/5 144/25 5/12 25/144 12/5 144/25 5/12 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Let the number be x. Then,2/3 x = 25/216 * 1/xx2 = 25/216 * 3/2 = 25/144 x = 5/12
Number System 6.4 x 8.5 x 25/3.2 x 12.5 = ? 5.6 4.5 2.3 3.4 5.6 4.5 2.3 3.4 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP ? = 6.4 x 8.5 x 2.5/3.2 x 12.5 = 3.4
Number System What value should come in place of ? in the given number series ? 15, 51, 162, 498, 1509, ? 5656 4545 3434 7878 5656 4545 3434 7878 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 The square root of 0.0081 is: 0.91 0.9 0.009 0.09 0.91 0.9 0.009 0.09 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 0.09
Number System Find the smallest number which should be multiplied with 520 to make it a perfect square. 55 120 30 None of these 55 120 30 None of these ANSWER DOWNLOAD EXAMIANS APP
Number System Look at this series: 1000, 200, 40, ... What number should come next? 8 24 2 14 8 24 2 14 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP This is a simple division series. Each number is divided by 5. Rule = (1st number / 5 = 2nd number) (2nd number / 5 = 3rd number)....Now, (1000 / 5 = 200), (200 / 5 = 40), (40 / 5 = 8)...So answer is a = 8.