Number System Difference between two numbers is 5, six times of the smaller lacks by 6 from the four times of the greater. Find the numbers? 10, 5 11, 6 12, 9 12, 7 10, 5 11, 6 12, 9 12, 7 ANSWER DOWNLOAD EXAMIANS APP
Number System The difference between 45% of a number and 18% of the same number is 145.8. What is 30% of that number ? 141 162 245 188 141 162 245 188 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Let the number be x.45% of x - 18% of x = 145.8∴ x/100 (45 - 18) = 145.8∴ x = 145.8 x 100/27 = 540∴ 30% of 540 = 540 x 30/100 = 162
Number System If the difference between a number and two-fifths of that number is 45 what is the number ? 75 76 78 77 75 76 78 77 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Let the number be x ∴ x - 2x/5 = 45∴ x = 75
Number System √343 = ? 20 19 18 21 20 19 18 21 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP ? = √343 = 18
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 39 59 49 69 39 59 49 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 39
Number System The simplest form of 1.5 : 2.5 is : 5 : 7 17 : 19 13 : 11 3 : 5 5 : 7 17 : 19 13 : 11 3 : 5 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 3 : 5