Number System (4 86%of 6500) ÷ 36 =? 977.5 877.5 677.5 777.5 977.5 877.5 677.5 777.5 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 877.5
Number System The number of prime factors of (6)10×(7)17×(55)27 91 61 41 101 91 61 41 101 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 91
Number System If 4 2/3 is subtracted form 10 1/2 and the difference is multiplied by 450, then what is the final answer? None of these 2725 2875 2675 None of these 2725 2875 2675 ANSWER DOWNLOAD EXAMIANS APP
Number System What is the least number to be subtracted from 696 to make it a perfect square? 1 20 71 16 1 20 71 16 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP The numbers less than 696 and are squares of certain numbers are 676, 625.The least number that should be subtracted from 696 to make it perfect square = 696 - 676 = 20.
Number System Sum of the digits number is 8 and their product is 12. Find the difference between the digits? 2 6 4 None 2 6 4 None ANSWER EXPLANATION DOWNLOAD EXAMIANS APP x + y = 8xy = 12(x – y)2 = (x + y)2 – 4xy (x – y)2 = 64 – 48 => (x – y) = 4
Number System The product of two consecutive position odd numbers is 6723. What is the smaller number? 74 83 79 71 74 83 79 71 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP n x (n + 2) = 6723= n² + 2n - 6723 = 0= n² + 83n - 81n - 6723 = 0= n(n + 83) - 81 (n + 83) = 0Therefore, (n - 81) (n + 83) = 0Therefore, n = 81, n + 2 = 83
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