Number System Given √2 = 1.414, the value of √8 + 2√32 - 3√128 + 4√50 is 8.584 8.784 8.484 8.684 8.584 8.784 8.484 8.684 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 8.484
Number System The number of prime factors of (6)10×(7)17×(55)27 61 101 91 41 61 101 91 41 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 91
Number System What is the missing number in this series? 8 2 14 6 11 ? 14 6 18 12 3 2 9 7 3 2 9 7 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 9
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 50 25 12.5 75 50 25 12.5 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 What should come in place of question mark (?) in the following number series ? 7, 176, 480, 1058, 2188, 4426, ? 8888 8884 8882 8881 8888 8884 8882 8881 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Series is (No. + 9²) x 2, (+8²) x 2, (+7²) x 2, (+6²) x 2.......
Number System The square root of 3 + “5 is : “5 /2 - 1/”2 “3 /2 - 1/”2 “3 /2 + 1/”2 “(5/2) + “(1/2) “5 /2 - 1/”2 “3 /2 - 1/”2 “3 /2 + 1/”2 “(5/2) + “(1/2) ANSWER EXPLANATION DOWNLOAD EXAMIANS APP “(5/2) + “(1/2)
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