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? 69 59 49 39 69 59 49 39 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 39
Number System When 732 is subtracted form the square of a number, the answer that is obtained is 5280. What is the number? 97 101 103 99 97 101 103 99 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP x2 - 732 = 5280 x2 = 5280 + (70+3)2 = 5280 + 4900 + 420 + 9 = 10609= 10000 + 2(100)(3) + 32 = (100 + 3)2x = 100 + 3 = 103.
Number System On dividing number by 5, we get 3 as remainder. What will be the remainder when the square of this number is divided by 5? 2 4 1 0 2 4 1 0 ANSWER DOWNLOAD EXAMIANS APP
Number System A certain number of two digits is three times the sum of its digits. If 45 be added to it, the digits are reversed. The number is: 27 22 30 24 27 22 30 24 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 27
Number System If the difference between a number and its 2/5 is 240, find the number. 400 360 480 440 400 360 480 440 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Let the no. be x Therefore x - 2x/5 = 240, Therefore, 3x/5 = 240Therefore, x = 240x5/3 = 400
Number System 732.96 + 405.38 - 604.08 - 105.44 + 222.86 = ? 651.68 631.68 621.68 641.68 651.68 631.68 621.68 641.68 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP ? = 1361.20 - 709.52 = 651.68
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