Number System √(17)² + (17)² + (5)² - 2 = ? 16 18 19 17 16 18 19 17 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP ? = √49 + 289 + 25 - 2 = √361 = 19
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 ? 18 years 19 years 20 years 17 years 18 years 19 years 20 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 0.333 .... × 0.444 .... is equal to 0.777 .... 0.148148148 .... 1.333 .... 0.121212 .... 0.777 .... 0.148148148 .... 1.333 .... 0.121212 .... ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 0.148148148 ....
Number System 96% of a number is 19584. What is 56% of that number ? 11524 11424 11324 11224 11524 11424 11324 11224 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Let the number be x.According to the question.96% of x = 19584= x = 1958 x 100/96 = 20400∴ 56% of 20400= 20400 x 56/100= 11424
Number System Find the number of factors of 300 excluding 1 and itself. 16 18 15 14 16 18 15 14 ANSWER DOWNLOAD EXAMIANS APP
Number System 3√103823 = ? 44 47 41 52 44 47 41 52 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP ? = 3√103823 = 3√47 x 47 x 47 = 47