Number System Which choice provides the answer : If 2 + 3 = 10, 6 + 5 = 66, 7 + 2 = 63, 9 + 7 = 144 then, 8 + 4 = ? 88 96 114 102 88 96 114 102 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 96
Number System Ratio between two numbers is 3: 4 and their sum is 420. Find the smaller number? 160 140 180 240 160 140 180 240 ANSWER DOWNLOAD EXAMIANS APP
Number System (√6 + 1)² = ? + 2√6 5 8 6 7 5 8 6 7 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP ? = (√6 + 1)² - 2√6= (√6)² + 2 x √6 + 1 + 1² - 2√6= 6 + 2√6 + 1 - 2√6 = 6 + 1 = 7
Number System A number when multiplied by five times of itself give the value equal to 1445. What is the number ? 15 16 18 17 15 16 18 17 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP x x 5x = 1445= 5x² = 1445= x² = 289∴ x = 17
Number System Subtracting 30 from a number, the remainder is one fourth of the number. Find the number? 22 1/2 45 40 30 22 1/2 45 40 30 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 3/4 x = 30 => x = 40
Number System Simplify the 121 * 175 + 363 * 275 316600 363000 328100 None of these 316600 363000 328100 None of these ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 121 * 175 + 363 * 275 => 121 * 175 + 121 * 3 * 275121 * 175 + 121 * 825= 121 * (175 + 825) = 121000