Number System Which is the largest fraction among the following ? 24/25 21/23 12/13 21/22 24/25 21/23 12/13 21/22 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 21/23 = 0.913,12/13 = 0.92323/25 = 0.92, 21/22 = 0.9545, 24/25 = 0.96
Number System The sum and the product of two numbers are 25 and 144 respectively, the difference of the number is? 3 11 5 7 3 11 5 7 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 36% of 850+? % of 592 = 750 75 12.5 25 50 75 12.5 25 50 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 75
Number System Supply the missing figure : 3, 11, 8, 16, 13 .... 18 12 21 18 28 12 21 18 28 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 21
Number System The sum of 8 consecutive odd numbers is 656. Also average of four consecutive even numbers is 87. What is the sum of the smallest odd number and second largest even number ? 163 167 160 158 163 167 160 158 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Average of 8 consecutive odd numbers = 656/8 = 82∴ Fourth number = 82 - 1 = 81∴ First numbers = 75Average of 4 even numbers = 87∴ Second even number = 87 - 1 = 86Second largest even number = 88∴ Required sum = 75 + 88 = 163
Number System What should come in place of the question mark (?) in the given number series ? 888, 888, 444, 148, ?, 7.4 39 37 38 36 39 37 38 36 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Let x be the missing number.Then888/888 = 1,888/444 = 2,444/148 = 3,148/x = 4= x = 148/4 = 37 and 37/7.4 = 5
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