Number System The difference between 68% of a number and 35% of the same number is 1216. What is 28% of the number ? 1027.75 1031.75 1037.75 1043.75 1027.75 1031.75 1037.75 1043.75 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Let the no. be xTherefore 68x / 100 - 35x / 100 = 1216 Therefore x = 1216 x 100 / 33Therefore 28% of x = 28x / 100 = 1216 x 100 / 33 x 28 / 100= 1216 x 100 x 28 / 33 x 1/100 = 1031.75
Number System Two numbers have a H.C.F of 16 and a product of two numbers is 2560. Find the L.C.M of the two numbers? 150 160 170 140 150 160 170 140 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP L.C.M of two numbers is given by(Product of the two numbers) / (H.C.F of the two numbers) = 2560/16 = 160.
Number System The simplest form of 1.5 : 2.5 is : 3 : 5 5 : 7 17 : 19 13 : 11 3 : 5 5 : 7 17 : 19 13 : 11 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 3 : 5
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 If the sum of one-half of a number exceeds one-third of that number by 7 1/3, the number is: 30 15 20 18 30 15 20 18 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Let the number be x. Then,(1/2 x + 1/5 x) - 1/3 x = 22/311/30 x = 22/3x = 20
Number System (12.11)2 + (?)2 = 732.2921 14.2 24.2 17.2 20.2 14.2 24.2 17.2 20.2 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 24.2