Number System How many numbers between 300 and 800 can be by using digits 2, 4, 5, 6 and 0 ? 36 48 56 52 36 48 56 52 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP ∴ Reqd . numbers = 3 x 4P2 = 3 x 12 = 36
Number System The Twenty-First Century will start on January 1 in the year 2100 2001 2000 2101 2100 2001 2000 2101 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 2001
Number System What value should come in place of ? in the given number series ? 15, 51, 162, 498, 1509, ? 7878 4545 5656 3434 7878 4545 5656 3434 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 15, (15 + 2) x 3 = 51,(51 + 3) x 3 = 162, (162 + 4) x 3 = 498, (498 + 5) x 3 = 1509(1509 + 6) x 3 = 4545
Number System 35%of ?=242 487 394 693 542 487 394 693 542 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 693
Number System If the three fourth of a number is subtracted from the number; the value so, obtained is 163. What is that number ? 689 652 678 692 689 652 678 692 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Number x (1 - 3/4) = 163∴ Number = 163 x 4 = 652
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' ? 1456 3016 4098 2871 1456 3016 4098 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
EXAMIANS