Number System The sum of the numbers is 264. If the first number be twice the second and third number be one-third of the first, then the second number is: 84 54 48 72 84 54 48 72 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Let the second number be x. Then, first number = 2x and third number = 2x/3.2x + x + 2x/3 = 26411x/3 = 264x = 72
Number System 35 + 15 * 1.5 = ? 75 51.5 57.5 5.25 75 51.5 57.5 5.25 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Given Exp. = 35 + 15 * 3/2 = 35 + 45/2 = 35 + 22.5 = 57.5
Number System What is the average of the following set of numbers ? 173, 192, 198, 204, 211, 223, 227 234 210 222 204 234 210 222 204 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Avg = 173 + 192 + 198 + 204 + 211 + 223 + 227/7 = 1428/7 = 204
Number System What is the sum of all the prime numbers from 20 to 40? 119 118 120 117 119 118 120 117 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 23 + 29 + 31 + 37 = 120
Number System If one-third of one fourth of a number is 15, then three-tenth of that number is: 35 45 54 25 35 45 54 25 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Let the number be x. Then,1/3 of 1/4 of x = 15x = 15 * 12 = 180So, required number = (3/10 * 180) = 54.
Number System {3√4913}² = ? 121 333 289 225 121 333 289 225 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP ? = (3√4913)² = (17)² = 289
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