Number System What is the difference between the largest and the smallest number written with 7, 7, 0, 7? 6893 6993 6093 693 6893 6993 6093 693 ANSWER DOWNLOAD EXAMIANS APP
Number System (2560 x 1.4) +(7400 x 0.6) =? 9160 6543 7234 8024 9160 6543 7234 8024 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 8024
Number System In an examination, 68% of the total examinees passed. If the number of failures is 248, the total number of examinees is 775 750 725 640 775 750 725 640 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Failed students are 32% which is 248.∴ Total = 24800/32 = 775
Number System The sum of two numbers is 165 and the difference between them is 9. What is the average of these two numbers ? 84.5 85.5 82.5 83.5 84.5 85.5 82.5 83.5 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP x + y = 165x - y = 92x = 174 ∴ x = 87 and y = 78∴ x + y/2 = 165/2 = 82.5
Number System The sum of two numbers is 22. Five times one number is equal to 6 times the other. The bigger of the two numbers is: 10 12 15 16 10 12 15 16 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Let the numbers be x and (22 - x). Then,5x = 6(22 - x) 11x = 132 => x = 12So, the numbers are 12 and 10.
Number System What least number shall be added to 4700 to make it a perfect square ? 81 71 91 61 81 71 91 61 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP (69)² = 4761 and (68)² = 4624Clerly 4624 < 4700 < 4761So 61 should be added to make 4700 a perfect square.
EXAMIANS