Number System In how many different ways can the letters of the word 'LEASE' be arranged ? None of these 60 40 80 None of these 60 40 80 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP The world LEASE consists of 5 letters in which E comes twice ∴ 51/21 = 5x4x3x2x1/2x1 = 60
Number System The sum of two numbers is 25 and their difference is 13. Find their product. 315 114 325 104 315 114 325 104 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Let the numbers be x and y. Then x + y = 25 and x - y = 13.x = 19; y = 6xy = 19 * 6 = 114
Number System One half of a two digit number exceeds its one third by 6. What is the sum of the digits of the number? 5 7 3 9 5 7 3 9 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP x/2 – x/3 = 6=> x =63 + 6 = 9
Number System Complete the series : 81, 69, 58, 48, 39 ........ 29 30 28 31 29 30 28 31 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 31
Number System If the numberator of a fraction is increased by 50% and denominator by 20% the fraction become 9/15. What was the original fraction ? 13/25 3/5 12/25 6/7 13/25 3/5 12/25 6/7 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Let the fraction be x/yWe have 150x/120y = 9/15= x/y = 12/25
Number System A canteen requires 17 dozen of eggs per week. How many eggs will it require from January 1 to February 11 ? 987 525 820 1224 987 525 820 1224 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Number of days from Jan 1 to Feb 11th= 31 + 11 = 42 days = 6 weeks∴ Total eggs =17 x 12 x 6 = 1224
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