Number System What is the sum of all the composite numbers up to 20? 132 128 130 131 132 128 130 131 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 4 + 6 + 8 + 9 + 10 + 12 + 14 + 15 + 16 + 18 = 132
Number System 217 * 217 + 183 * 183 = ? 80578 80698 79698 81268 80578 80698 79698 81268 ANSWER DOWNLOAD EXAMIANS APP
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 1037.75 1031.75 1043.75 1027.75 1037.75 1031.75 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 What is the difference between the largest and the smallest number written with 7, 7, 0, 7? 6893 6093 6993 693 6893 6093 6993 693 ANSWER DOWNLOAD EXAMIANS APP
Number System √2304 x √? = 2832 3381 3681 3481 3581 3381 3681 3481 3581 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP √2304 x √? = 2832= 48 x √? = 2832= √? = 2832/48 = 59∴? = 59 x 59 = 3481
Number System Given √2 = 1.414, the value of √8 + 2√32 - 3√128 + 4√50 is 8.784 8.584 8.484 8.684 8.784 8.584 8.484 8.684 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 8.484
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