Number System Supply the missing figure : 3, 11, 8, 16, 13 .... 18 21 18 12 28 21 18 12 28 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 21
Number System Which number should replace question mark (?) in the following equation ? ?/342 = 38/? 114 116 118 112 114 116 118 112 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP (?)² = 342 x 38Therefore, ? = √342 x 38 = √38 x 9 x 38 = 38 x 3 = 114
Number System If the difference between the squares of two consecutive numbers is 47, what is the smaller number ? 23 25 24 26 23 25 24 26 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 (1024—263—233)÷(986—764— 156) =? None of these 10 6 8 None of these 10 6 8 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 8
Number System If 2^(2x-1) = 8^(3-x), then the value of x is: 6 5 2 9 6 5 2 9 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 2
Number System The sum of the two digits of a two-digit number is 15 and the difference between the two digits of the two digit number is 3. What is the product of the two digits of the two digit number ? 36 54 14 None of these 36 54 14 None of these ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Let the number be 10 x + yWhere x > yAccording to the question,x + y = 15 and x - y = 3Solving both the equations,x = 9, y = 6∴ x x y = 9 x 6 = 54
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