Number System The sum of two numbers is 25 and their difference is 13. Find their product. 325 315 104 114 325 315 104 114 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Let the numbers be x and y. Then x + y = 25 and x - y = 13.x = 19; y = 6xy = 19 * 6 = 114
Number System Given √2 = 1.414, the value of √8 + 2√32 - 3√128 + 4√50 is 8.484 8.784 8.684 8.584 8.484 8.784 8.684 8.584 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 8.484
Number System A number when multiplied by five times of itself give the value equal to 1445. What is the number ? 15 17 18 16 15 17 18 16 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP x x 5x = 1445= 5x² = 1445= x² = 289∴ x = 17
Number System Simplify the 121 * 175 + 363 * 275 None of these 363000 328100 316600 None of these 363000 328100 316600 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 121 * 175 + 363 * 275 => 121 * 175 + 121 * 3 * 275121 * 175 + 121 * 825= 121 * (175 + 825) = 121000
Number System √(17)² + (17)² + (5)² - 2 = ? 17 16 18 19 17 16 18 19 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP ? = √49 + 289 + 25 - 2 = √361 = 19
Number System Two numbers have a H.C.F of 16 and a product of two numbers is 2560. Find the L.C.M of the two numbers? 160 140 150 170 160 140 150 170 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP L.C.M of two numbers is given by(Product of the two numbers) / (H.C.F of the two numbers) = 2560/16 = 160.
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