Number System What is the average of the following set of numbers ? 173, 192, 198, 204, 211, 223, 227 234 210 204 222 234 210 204 222 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Avg = 173 + 192 + 198 + 204 + 211 + 223 + 227/7 = 1428/7 = 204
Number System Which one of the following is the sum of the numbers 1, 3, 5, 7, 9…. up to nth number? N2 N2 + 1 N(N + 1)/2 N(N + 1) N2 N2 + 1 N(N + 1)/2 N(N + 1) ANSWER DOWNLOAD EXAMIANS APP
Number System (3² x 4² x 5) ÷ 36 = (?)² - 80 16 10 12 14 16 10 12 14 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP (?)² = 3² x 4² x 5/36 + 80= 20 + 80 = 100∴ ? = √100 = 10
Number System Which is the smallest fractions among the following ? 27/31 13/15 11/13 15/19 27/31 13/15 11/13 15/19 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 11/13 = 0.8461,13/15 = 0.8666,27/31 = 0.87,15/19 = 0.789
Number System {(742)² ÷ 36} ÷ 2 = ? 420.5 422.5 423.5 421.5 420.5 422.5 423.5 421.5 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP ? = (174 x 174/36) ÷ 2 = 841/2 = 420.5
Number System 65 x 288 ÷ 52 = 1.8 x ? 180 200 210 190 180 200 210 190 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP ? = 65x288/52x1.8 = 200
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