Number System The sum of the digits of a two digit number is 12. If the new number formed by reversing the digits is greater than the original number by 54, then what will be the original number? 39 69 59 49 39 69 59 49 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 39
Number System In a two-digit number, the digit in unit's place is two more than three times the digit in ten's place. If the sum of the two digits is 10, what is the number ? 24 18 22 28 24 18 22 28 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Let the number be 10x + y.∴ y = 3x + 2 .......(i)And, x + y = 10 ......(ii)From (i) and (ii), x = 2, y = 8∴ Number = 28
Number System Write the next number in the series : 14, 16, 13, 17, 12, 18, 11 .... 15 19 7 1 15 19 7 1 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 19
Number System The difference between a two-digit number and the number obtained by interchanging the digits is 36. What is the difference of the two digits of the number ? 4 2 3 1 4 2 3 1 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP (10x + y) - (10y + x) = 36,9(x - y) = 36/9 = 4
Number System (12)² - (4.4)² - (0.04)² = ? 125.6384 124.6384 131.6384 129.6384 125.6384 124.6384 131.6384 129.6384 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP (12)² - (4.4)² - (0.04)²= 144 - 19.36 - 0.0016= 124.64 - 0.0016= 124.6384
Number System (800 / 64) * (1296 / 36) = ? 460 500 420 None of these 460 500 420 None of these ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Given Exp.= 800/64 * 1296/36 = 12.5 * 36 = 450
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