Number System √207.36 = ? 16.7 15.7 12.3 14.4 16.7 15.7 12.3 14.4 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP √207.36 = √20736/√100 = 144/10 = 14.4
Number System 84 * 29 + 365 = ? - 2801 2436 - 2071 2801 - 2801 2436 - 2071 2801 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP - 84 * (30 - 1) + 365= - (84 * 30) + 84 + 365= - 2520 + 449 = - 2071
Number System What is the sum of all the prime numbers from 20 to 40? 119 120 117 118 119 120 117 118 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 23 + 29 + 31 + 37 = 120
Number System The sum of the ages of a son and father is 65 years. After 5 years the age of father will be double of the age of son. What is the age of son ? 19 years 20 years 18 years 17 years 19 years 20 years 18 years 17 years ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Let the age of the son be x and the age of the father be y.Therefore, x + y = 65 ..........(i)or, 2 x (x + 5) = (y + 5)or, 2x + 10 = y + 5or, 2x - y = 5 ...................(ii)From equations (i) and (ii), x = 20, y = 45
Number System (12.11)2 + (?)2 = 732.2921 24.2 20.2 14.2 17.2 24.2 20.2 14.2 17.2 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 24.2
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