Number System What should come in place of question mark (?)? 8 : 1 1 : : 72: 99 89 109 79 99 89 109 79 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Let ? = xTherefore 8 : 11 : 72 : xTherefore x = (11 x 72) / 8 = 99
Number System The sum and the product of two numbers are 25 and 144 respectively, the difference of the number is? 5 11 7 3 5 11 7 3 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP x + y = 25xy = 144(x- y)2 = (x + y)2 – 4xy(x- y)2 = 625 – 576 => (x – y) = 7
Number System What number should replace both the question marks (?) in the following question ? 85 83 84 82 85 83 84 82 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 84
Number System In an examination, 68% of the total examinees passed. If the number of failures is 248, the total number of examinees is 750 725 640 775 750 725 640 775 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Failed students are 32% which is 248.∴ Total = 24800/32 = 775
Number System (95.6x 910.3) ÷ 92.56256 = 9? 13.34 15.54 14.44 12.24 13.34 15.54 14.44 12.24 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 13.34
Number System A number when divided by 221 gives a remainder 43, what remainder will be obtained by dividing the same number 17? 11 5 9 10 11 5 9 10 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 221 + 43 = 264/17 = 9 (Remainder)
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