Number System A number consists of two digits. If 3/5 of 1/5 of the number is 9. Find the sum of its two digits? 12 60 8 7 12 60 8 7 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP x * 3/5 * 1/5 = 9x = 75 => 7 + 5 = 12
Number System When the square of a number is substracted from (68)², the answer so obtained is 2508. What is the number ? 47 46 45 44 47 46 45 44 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP (68)² - x² = 2508Therefore, x² = 4624 = 2508Therefore, x = root of 2116 = 46
Number System If the three fourth of a number is subtracted from the number; the value so, obtained is 163. What is that number ? 652 689 692 678 652 689 692 678 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Number x (1 - 3/4) = 163∴ Number = 163 x 4 = 652
Number System What should come in place of (?) in the following series ? 10, 19, 30, 43, 58, ? 76 77 75 78 76 77 75 78 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP The series is: +9, +11, +13, +15, +17
Number System 2536+4851—?=3450+313 6784 5243 3624 4567 6784 5243 3624 4567 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 3624
Number System What is the difference between the largest number and the least number written with the digits 7, 3, 1, 4? 6048 6184 5084 6084 6048 6184 5084 6084 ANSWER DOWNLOAD EXAMIANS APP