Number System 106 * 106 - 94 * 94 = ? 1904 2000 1906 2400 1904 2000 1906 2400 ANSWER DOWNLOAD EXAMIANS APP
Number System The sum of a number and its reciprocal is one-eighth of 34. What is the product of the number and its square root? 32 27 None of these 8 32 27 None of these 8 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Let the number be x. Then,x + 1/x = 34/8 8x2 - 34x + 8 = 0 4x2 - 17x + 4 = 0 (4x - 1)(x - 4) = 0 x = 4required number = 4 * √4 = 4 * 2 = 8.
Number System If A = 1, B = 3, C = 5 and so on, what do the numbers 3, 9, 7 stand for BED CAR BAT CAT BED CAR BAT CAT ANSWER EXPLANATION DOWNLOAD EXAMIANS APP BED
Number System What is the sum of all the numbers between 300 and 1000 which are divisible by 179? 2506 2527 2607 2517 2506 2527 2607 2517 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 358/179 ….. 895/179179(2 + 3 + 4 + 5) => 2506
Number System What is the difference between the largest number and the least number written with the figures 3, 4, 7, 0, 3? 43893 70983 43883 43983 43893 70983 43883 43983 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 74330 Largest30347 Smallest-------------43983
Number System The average of five consecutive even numbers A, B, C, D and E is 54. What is the product of'B' and 'E' ? 4098 1456 3016 2871 4098 1456 3016 2871 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Because, The even numbers are consecutive and their average is 54.∴ The number C will be 54.∴ A = 50, B = 52, D = 56, E = 58B x E = 52 x 58 = 3016