Number System {3√4913}² = ? 121 225 333 289 121 225 333 289 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP ? = (3√4913)² = (17)² = 289
Number System What is 50% of 40% of Rs. 3,450? 630 640 690 670 630 640 690 670 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 40% * 3450 = 1380then, 50 % * 1380 = 690
Number System When the square of a number is substracted from (68)², the answer so obtained is 2508. What is the number ? 45 47 44 46 45 47 44 46 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP (68)² - x² = 2508Therefore, x² = 4624 = 2508Therefore, x = root of 2116 = 46
Number System The average of five consecutive even numbers A, B, C, D and E is 54. What is the product of'B' and 'E' ? 4098 3016 2871 1456 4098 3016 2871 1456 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Because, The even numbers are consecutive and their average is 54.∴ The number C will be 54.∴ A = 50, B = 52, D = 56, E = 58B x E = 52 x 58 = 3016
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 4500 * ? = 3375 3/5 2/5 3/4 1/4 3/5 2/5 3/4 1/4 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 4500 * x = 3375= x = 3375/4500 = 3/4
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