Number System √(17)² + (17)² + (5)² - 2 = ? 17 16 19 18 17 16 19 18 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP ? = √49 + 289 + 25 - 2 = √361 = 19
Number System A number is doubled and 9 is added. If the resultant is trebled, it becomes 75. What is that number? 8 None of these 6 3.5 8 None of these 6 3.5 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Let the number be x. Then,3(2x + 9) = 752x = 16 => x = 8
Number System Complete the series : 81, 69, 58, 48, 39 ........ 31 30 29 28 31 30 29 28 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 31
Number System In an examination, 68% of the total examinees passed. If the number of failures is 248, the total number of examinees is 725 775 750 640 725 775 750 640 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Failed students are 32% which is 248.∴ Total = 24800/32 = 775
Number System In how many different ways can the letters of the word 'LEASE' be arranged ? 40 60 80 None of these 40 60 80 None of these ANSWER EXPLANATION DOWNLOAD EXAMIANS APP The world LEASE consists of 5 letters in which E comes twice ∴ 51/21 = 5x4x3x2x1/2x1 = 60
Number System A certain number when divided by 39 leaves a remainder 20, what is the remainder when the same number is divided by 13? 7 11 0 5 7 11 0 5 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 39 + 20 = 59/13 = 7 (Remainder)
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