Number System What is the difference between the largest and the smallest number written with 7, 7, 0, 7? 6093 6893 693 6993 6093 6893 693 6993 ANSWER DOWNLOAD EXAMIANS APP
Number System 1260 x 1.45 - 888 x 1.75 = ? 273 295 367 256 273 295 367 256 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP ? = 1260 x 1.45 - 888 x 1.75= 1827 - 1554 = 273
Number System If x + y = 61 and xy = 888, What is the value of x²+ y² ? 1965 1945 1975 1955 1965 1945 1975 1955 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Because (x + y)² = x² + y² + 2xy∴ x² + y² = (x + y)² - 2xy∴ x² + y² = (61)² - 2 x 888= 3721 - 1776 = 1945
Number System 7589 - ? = 3434 11023 1123 4242 4155 11023 1123 4242 4155 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Let 7589 - x = 3434Then x = 7589 - 3434 = 4155
Number System Which choice provides the answer in the following : If 2 * 3 = 36, 5 * 4 = 400, 6 * 2 = 144, 3 * 3 = 81; then, 5 * 5 = ? 425 325 525 625 425 325 525 625 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 625
Number System What least number shall be added to 4700 to make it a perfect square ? 91 61 71 81 91 61 71 81 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP (69)² = 4761 and (68)² = 4624Clerly 4624 < 4700 < 4761So 61 should be added to make 4700 a perfect square.
EXAMIANS