Number System What should come in place of question mark (?)? 8 : 1 1 : : 72: 79 89 99 109 79 89 99 109 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Let ? = xTherefore 8 : 11 : 72 : xTherefore x = (11 x 72) / 8 = 99
Number System 384×12×2=? 8465 6123 7487 9216 8465 6123 7487 9216 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 9216
Number System √(17)² + (17)² + (5)² - 2 = ? 17 18 19 16 17 18 19 16 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP ? = √49 + 289 + 25 - 2 = √361 = 19
Number System How many numbers between 300 and 800 can be by using digits 2, 4, 5, 6 and 0 ? 36 56 48 52 36 56 48 52 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP ∴ Reqd . numbers = 3 x 4P2 = 3 x 12 = 36
Number System The difference between two integers is 5. Their product is 500. Find the numbers. 20, 25 21, 26 15, 20 30, 25 20, 25 21, 26 15, 20 30, 25 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Let the integers be x and (x + 5). Then, x(x + 5) = 500 x2 + 5x - 500 = 0 (x + 25)(x - 20) = 0 x = 20So, the numbers are 20 and 25.
Number System 432+2170+35=? 523 494 729 678 523 494 729 678 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 494
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