Number System In an examination, 68% of the total examinees passed. If the number of failures is 248, the total number of examinees is 775 640 725 750 775 640 725 750 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Failed students are 32% which is 248.∴ Total = 24800/32 = 775
Number System The product of two consecutive odd numbers is 4095 What is the greater number ? 69 65 74 61 69 65 74 61 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Let the two consecutive odd numbers be 2x - 1 and 2x + 1.(2x - 1) (2x - 1) = 4095= 4x² - 1 = 4095= 4x² = 4096= x² = 1024∴ x = 32∴ The numbers are 63 and 65.Greater number = 65
Number System The difference between 72% of a number and 49% of the same number is 575. What is 9% of that number ? 275 225 245 295 275 225 245 295 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Let the no. be x.Therefore, 72% of x - 49% of x = 575Therefore, (72 - 49)% of x = 575Therefore, 9% of x = 575/23 x 9 = 225
Number System Which is the smallest fractions among the following ? 13/15 27/31 15/19 11/13 13/15 27/31 15/19 11/13 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 11/13 = 0.8461,13/15 = 0.8666,27/31 = 0.87,15/19 = 0.789
Number System 7589 - ? = 3434 11023 4155 4242 1123 11023 4155 4242 1123 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Let 7589 - x = 3434Then x = 7589 - 3434 = 4155
Number System Three numbers are in ratio of 3: 4 :5. If the sum of first & third numbers is more than second number by 52, which will be largest number? 34 65 23 78 34 65 23 78 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 65
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