Number System Sum of the digits number is 8 and their product is 12. Find the difference between the digits? 6 None 2 4 6 None 2 4 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 If the numberator of a fraction is increased by 50% and denominator by 20% the fraction become 9/15. What was the original fraction ? 13/25 12/25 6/7 3/5 13/25 12/25 6/7 3/5 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Let the fraction be x/yWe have 150x/120y = 9/15= x/y = 12/25
Number System On converting the following base-2 numeral in base ten, 1101101, we get 107 109 108 106 107 109 108 106 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 109
Number System The simplest form of 1.5 : 2.5 is : 17 : 19 5 : 7 3 : 5 13 : 11 17 : 19 5 : 7 3 : 5 13 : 11 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 3 : 5
Number System What is the missing number in this series? 8 2 14 6 11 ? 14 6 18 12 2 9 3 7 2 9 3 7 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 9
Number System What is the greater of the two numbers whose product is 2560, given that the sum of the two numbers exceeds their difference by 64? 100 90 110 None of these 100 90 110 None of these ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Let the greater and the smaller number be g and s respectively.gs = 2560g + s exceeds g - s by 64 i.e., g + s - (g - s) = 64i.e., 2s = 64 => s = 32.g = 2560/s = 80.
EXAMIANS