Number System 3√103823 = ? 41 52 44 47 41 52 44 47 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP ? = 3√103823 = 3√47 x 47 x 47 = 47
Number System Sum of two numbers is 80. Greater number exceeds by 5 from four times of the smaller. Find the numbers? 65, 15 60, 20 62, 18 64, 16 65, 15 60, 20 62, 18 64, 16 ANSWER DOWNLOAD EXAMIANS APP
Number System If a number is subtracted from its square we get 272. Find the number? 22 24 17 14 22 24 17 14 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP x2 – x = 272 => x =17
Number System √207.36 = ? 12.3 15.7 14.4 16.7 12.3 15.7 14.4 16.7 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP √207.36 = √20736/√100 = 144/10 = 14.4
Number System If the fraction 8/6, 7/5, 18/13, 9/5 and 7/11 are arranged in descending order of their values, which one will be the second ? 7/5 1/9 2/7 3/4 7/5 1/9 2/7 3/4 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 8/6 = 1. 333, 7/5 = 1.4, 18/13 = 1.3849/5 = 1.8 and 7/11 = 0.636Therefore, Descending order is 9/5 > 7/5 > 18/13 > 8/6 > 7/11Therefore Second fraction is 7/5
Number System A number when multiplied by five times of itself give the value equal to 1445. What is the number ? 18 16 15 17 18 16 15 17 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP x x 5x = 1445= 5x² = 1445= x² = 289∴ x = 17
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