Number System What is the missing number in this series? 8 2 14 6 11 ? 14 6 18 12 3 2 7 9 3 2 7 9 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 9
Number System Which choice provides the answer : If 2 + 3 = 10, 6 + 5 = 66, 7 + 2 = 63, 9 + 7 = 144 then, 8 + 4 = ? 88 102 114 96 88 102 114 96 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 96
Number System The product of two consecutive position odd numbers is 6723. What is the smaller number? 71 83 74 79 71 83 74 79 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
Number System Sum of two numbers is 80. Greater number exceeds by 5 from four times of the smaller. Find the numbers? 60, 20 64, 16 65, 15 62, 18 60, 20 64, 16 65, 15 62, 18 ANSWER DOWNLOAD EXAMIANS APP
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. 25 12.5 50 75 25 12.5 50 75 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 A certain number when divided by 45 leaves a remainder 31, what is the remainder if the same number be divided by 15? 11 1 13 9 11 1 13 9 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 45 + 31 = 76/15 = 1 (Remainder)
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