Number System When 732 is subtracted form the square of a number, the answer that is obtained is 5280. What is the number? 99 103 101 97 99 103 101 97 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP x2 - 732 = 5280 x2 = 5280 + (70+3)2 = 5280 + 4900 + 420 + 9 = 10609= 10000 + 2(100)(3) + 32 = (100 + 3)2x = 100 + 3 = 103.
Number System Difference between two numbers is 5, six times of the smaller lacks by 6 from the four times of the greater. Find the numbers? 11, 6 10, 5 12, 9 12, 7 11, 6 10, 5 12, 9 12, 7 ANSWER DOWNLOAD EXAMIANS APP
Number System 3√103823 = ? 44 52 41 47 44 52 41 47 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP ? = 3√103823 = 3√47 x 47 x 47 = 47
Number System If the three fourth of a number is subtracted from the number; the value so, obtained is 163. What is that number ? 689 692 652 678 689 692 652 678 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Number x (1 - 3/4) = 163∴ Number = 163 x 4 = 652
Number System Ratio between two numbers is 3: 4 and their sum is 420. Find the smaller number? 240 180 160 140 240 180 160 140 ANSWER DOWNLOAD EXAMIANS APP
Number System What is the sum of 1 + 2 + 3+ ... + 27 ? 382 378 396 343 382 378 396 343 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Sum = 27 x (27 + 1)/2= 27 x 28/2= 27 x 14= 378
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