Number System In how many different ways can the letters of the word 'FRUGAL'be arranged ? 660 556 515 720 660 556 515 720 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP In FRUGAL there ae six difference letters Therefore, 6 ! = 6 x 5 x 4 x 3 x 2 x 1 = 720
Number System What is the value of ? in the following equations ? 72/? = ?/50 80 60 100 40 80 60 100 40 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP (?)² = 72 x 50= (6 x 6 x 2) x (5 x 5 x 2)= (6 x 5 x 2)² = (60)²∴ ? = 60
Number System What is the average of the following set of numbers ? 173, 192, 198, 204, 211, 223, 227 222 204 210 234 222 204 210 234 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Avg = 173 + 192 + 198 + 204 + 211 + 223 + 227/7 = 1428/7 = 204
Number System If A = 1, B = 3, C = 5 and so on, what do the numbers 3, 9, 7 stand for BAT CAR CAT BED BAT CAR CAT BED ANSWER EXPLANATION DOWNLOAD EXAMIANS APP BED
Number System If the sum of one-half of a number exceeds one-third of that number by 7 1/3, the number is: 15 18 20 30 15 18 20 30 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 Complete the series : 81, 69, 58, 48, 39 ........ 29 28 31 30 29 28 31 30 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 31