Number System 3√103823 = ? 44 47 52 41 44 47 52 41 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP ? = 3√103823 = 3√47 x 47 x 47 = 47
Number System Which number should replace question mark (?) in the following equation ? ?/342 = 38/? 114 118 112 116 114 118 112 116 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP (?)² = 342 x 38Therefore, ? = √342 x 38 = √38 x 9 x 38 = 38 x 3 = 114
Number System The sum of the digits of a two-digit number is 12, and the difference between the number and the number obtained by interchanging the two digits of the number is 18. Find the number. 75 25 12.5 50 75 25 12.5 50 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Let the number be 10x + y.∴ x + y = 12 ...........(i)10x + y - (10x + x) = 18or 10x + y - 10y - x = 18or 9x - 9y = 18∴ x - y = 2From (i) and (ii), x = 7, y = 5∴ Number = 75
Number System 50% of 8/15 of 9/4 of 5/3 of 333 = ? 333 444 555 666 333 444 555 666 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 50% of [8x9x5/15x4x3 x 333]= 50% of 666= 333
Number System The sum of the squares of three numbers is 138, while the sum of their products taken two at a time is 131. Their sum is: 30 40 20 None of these 30 40 20 None of these ANSWER DOWNLOAD EXAMIANS APP
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