Number System What is the average of the following set of numbers ? 173, 192, 198, 204, 211, 223, 227 222 204 234 210 222 204 234 210 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Avg = 173 + 192 + 198 + 204 + 211 + 223 + 227/7 = 1428/7 = 204
Number System The sum of five consecutive numbers is 190. What is the sum of the largest and the smallest number ? 75 76 74 73 75 76 74 73 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP x + x + 1 + x + 2 + x + 3 + x + 4= 190= 5x + 10 = 190= 5x = 190 - 10 = 180= x = 180/5 = 36The largest number = 36 + 4 = 40∴ Required sum = 36 + 40 = 76
Number System The difference between the two digit number and the number obtained by interchanging its digits is 54. The difference between the digits is? 6 4 1 Nothing can be said. 6 4 1 Nothing can be said. ANSWER EXPLANATION DOWNLOAD EXAMIANS APP (10x + y) – (10y + x) = 54x – y = 6
Number System What should come in place of (?) in the following series ? 10, 19, 30, 43, 58, ? 76 77 78 75 76 77 78 75 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP The series is: +9, +11, +13, +15, +17
Number System Supply the missing figure : 1, 4, 9, 16, 25 .... 49 36 16 23 42 36 16 23 42 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 36
Number System The sum of three consecutive even numbers is 252. What is the sum of the smallest and the largest numbers? 168 171 170 169 168 171 170 169 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 168
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