Number System What is the missing number in this series? 8 2 14 6 11 ? 14 6 18 12 9 2 7 3 9 2 7 3 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 9
Number System The sum of the present age of a father and a son is 60 years. Five years before, the age of the father was four times that of son. What is the present age of the son ? 18 years 25 years 15 years 21 years 18 years 25 years 15 years 21 years ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Let the father's age be x and son's age yTherefore, x + y = 60 ....................(i)Five years back, (x - 5) = 4 (y - 5)x - 4y = - 15 ......................(2)Solving (1) and (2), x = 45 and y = 15
Number System In how many different ways can the letters of the word 'LEASE' be arranged ? 80 None of these 40 60 80 None of these 40 60 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP The world LEASE consists of 5 letters in which E comes twice ∴ 51/21 = 5x4x3x2x1/2x1 = 60
Number System 84 * 29 + 365 = ? - 2071 2436 2801 - 2801 - 2071 2436 2801 - 2801 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP - 84 * (30 - 1) + 365= - (84 * 30) + 84 + 365= - 2520 + 449 = - 2071
Number System Given √2 = 1.414, the value of √8 + 2√32 - 3√128 + 4√50 is 8.684 8.484 8.584 8.784 8.684 8.484 8.584 8.784 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 8.484
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