Number System What is the sum of all the composite numbers up to 20? 130 128 131 132 130 128 131 132 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 4 + 6 + 8 + 9 + 10 + 12 + 14 + 15 + 16 + 18 = 132
Number System Find the average of the following set of scores 450, 1050, 12, 390, 143, 286, 550, 999 490 495 485 480 490 495 485 480 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Required average score = (450 + 1050 + 12 + 390 + 143 + 286 + 550 + 999) / 8 = 3880 / 8 = 485
Number System What is the difference between the local values of 3 in the number 53403? 0 2997 3003 3030 0 2997 3003 3030 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 3000 – 3 = 2997
Number System What is the difference between the largest number and the least number written with the figures 3, 4, 7, 0, 3? 43883 43893 43983 70983 43883 43893 43983 70983 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 74330 Largest30347 Smallest-------------43983
Number System If one third of 3/4 of a number is 21. Then find the number? 63 84 630 840 63 84 630 840 ANSWER DOWNLOAD EXAMIANS APP
Number System (164 x 175) x ? = 258300 9 11 5 2 9 11 5 2 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP ? = 258300 / 164 x 175 = 9
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