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 1031.75 1037.75 1043.75 1027.75 1031.75 1037.75 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 The difference between 8% of a number and 3% of the same number is 39. What is 2.8% of that number ? 21.84 27.84 25.84 24.84 21.84 27.84 25.84 24.84 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Let the number be x.∴ x(8 - 3)% = 39x = 3900/5 = 780∴ 2.8% of 780= 780 x 2.8/100 = 21.84
Number System Find out the smallest possible number which will be divisible by 1122 as well as 153. 4366 2366 1366 3366 4366 2366 1366 3366 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 3366
Number System 7589 - ? = 3434 11023 4155 1123 4242 11023 4155 1123 4242 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Let 7589 - x = 3434Then x = 7589 - 3434 = 4155
Number System How many numbers up to 100 are divisible by 7? 93 14 100 107 93 14 100 107 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 100/7 = 14 2/7 => 14 Numbers
Number System Find the average of the following set of scores 450, 1050, 12, 390, 143, 286, 550, 999 495 485 480 490 495 485 480 490 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Required average score = (450 + 1050 + 12 + 390 + 143 + 286 + 550 + 999) / 8 = 3880 / 8 = 485
EXAMIANS