Number System The sum of the numbers is 264. If the first number be twice the second and third number be one-third of the first, then the second number is: 54 84 72 48 54 84 72 48 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Let the second number be x. Then, first number = 2x and third number = 2x/3.2x + x + 2x/3 = 26411x/3 = 264x = 72
Number System 4500 * ? = 3375 1/4 2/5 3/5 3/4 1/4 2/5 3/5 3/4 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 4500 * x = 3375= x = 3375/4500 = 3/4
Number System 16.23 x 12.9 + 17.32 = ? 226.687 236.687 None of these 246.687 226.687 236.687 None of these 246.687 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP ? = 16.23 x 12.9 + 17.32= 209.367 + 17.32= 226.687
Number System How many figures are required for numbering the pages of a book containing 1000 pages? 6489 2883 2893 3892 6489 2883 2893 3892 ANSWER DOWNLOAD EXAMIANS APP
Number System Which number should replace question mark (?) in the following equation ? ?/342 = 38/? 116 112 114 118 116 112 114 118 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP (?)² = 342 x 38Therefore, ? = √342 x 38 = √38 x 9 x 38 = 38 x 3 = 114
Number System If a number is subtracted from its square we get 272. Find the number? 14 17 22 24 14 17 22 24 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP x2 – x = 272 => x =17
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