Number System What is the average of the following set of numbers ? 173, 192, 198, 204, 211, 223, 227 210 222 204 234 210 222 204 234 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Avg = 173 + 192 + 198 + 204 + 211 + 223 + 227/7 = 1428/7 = 204
Number System √(17)² + (17)² + (5)² - 2 = ? 19 17 18 16 19 17 18 16 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP ? = √49 + 289 + 25 - 2 = √361 = 19
Number System If the sum of four consecutive numbers is 370, which the following is the third lowest number among them 92 91 90 89 92 91 90 89 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Let the four consecutive numbers be x, (x + 1), (x + 2), (x + 3) thenx + (x + 1) + (x + 2) + (x + 3) = 370= 4x + 6 = 370∴ x = 364/4 = 91∴ third lowest number among them = x + 1= 91 + 1 = 92
Number System 4500 * ? = 3375 3/4 3/5 1/4 2/5 3/4 3/5 1/4 2/5 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 4500 * x = 3375= x = 3375/4500 = 3/4
Number System If the sum of one-half of a number exceeds one-third of that number by 7 1/3, the number is: 30 18 15 20 30 18 15 20 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Let the number be x. Then,(1/2 x + 1/5 x) - 1/3 x = 22/311/30 x = 22/3x = 20
Number System Three times the first of three consecutive odd integers is 3 more than twice the third. The third integer is: 13 15 11 9 13 15 11 9 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Let the three integers be x, x + 2 and x+ 4.Then,3x = 2(x + 4) + 3x = 11Third integer = x + 4 = 15.
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