Number System If 35% of a number is 899.5, what is 68% of that number ? 1847.6 1547.6 1747.6 2247.6 1847.6 1547.6 1747.6 2247.6 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Suppose the number is x.Then 35% of x = 899.5∴ 68% of x = 68/35 x 899.5 = 1747.6
Number System (4 86%of 6500) ÷ 36 =? 677.5 977.5 877.5 777.5 677.5 977.5 877.5 777.5 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 877.5
Number System 7589 - ? = 3434 4155 11023 1123 4242 4155 11023 1123 4242 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Let 7589 - x = 3434Then x = 7589 - 3434 = 4155
Number System If the difference between a number and its three fifths is 62, what is the number ? 145 175 165 155 145 175 165 155 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Let the number be x.∴ x - 3x/5 = 62or x = 62 x 5/2 = 155
Number System What is the sum of all the composite numbers up to 20? 130 132 128 131 130 132 128 131 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 4 + 6 + 8 + 9 + 10 + 12 + 14 + 15 + 16 + 18 = 132
Number System The difference between 68% of a number and 35% of the same number is 1216. What is 28% of the number ? 1043.75 1027.75 1037.75 1031.75 1043.75 1027.75 1037.75 1031.75 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
EXAMIANS