Number System The sum of three consecutive even numbers is 252. What is the sum of the smallest and the largest numbers? 171 168 170 169 171 168 170 169 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 168
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 49 59 69 39 49 59 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 39
Number System A number when, 28 subtracted from it reduces to its one third. What is the value of 50% of that number? 42 24 21 84 42 24 21 84 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 2/3 x = 28 => x = 4242 * 1/2 = 21
Number System Find the least number with which 16200 should be multiplied, to make it a perfect cube. 45 48 36 360 45 48 36 360 ANSWER DOWNLOAD EXAMIANS APP
Number System If the difference between the squares of two consecutive numbers is 47, what is the smaller number ? 26 23 25 24 26 23 25 24 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Let the numbers be (x + 1) and x.Therefore, (x + 1)² - x² = 47x² + 2x + 1 - x² = 472x + 1 = 47Therefore, x = 46/2 = 23
Number System 7589 - ? = 3434 11023 4242 1123 4155 11023 4242 1123 4155 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Let 7589 - x = 3434Then x = 7589 - 3434 = 4155
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