Number System The Twenty-First Century will start on January 1 in the year 2001 2000 2101 2100 2001 2000 2101 2100 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 2001
Number System What is the difference between the largest number and the least number written with the figures 3, 4, 7, 0, 3? 43983 70983 43883 43893 43983 70983 43883 43893 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 74330 Largest30347 Smallest-------------43983
Number System What is the sum of 1 + 2 + 3+ ... + 27 ? 396 382 343 378 396 382 343 378 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Sum = 27 x (27 + 1)/2= 27 x 28/2= 27 x 14= 378
Number System Twenty times a positive integer is less than its square by 96. What is the integer? 20 30 Cannot be determined 24 20 30 Cannot be determined 24 ANSWER DOWNLOAD EXAMIANS APP
Number System In how many different ways can be the letters of the word PENCIL be arranged among themselves ? 720 860 510 640 720 860 510 640 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Total six letters are there and hence the number of arrangements = 6! = 6 x 5 x 4 x 3 x 2 x 1 = 720
Number System A canteen requires 17 dozen of eggs per week. How many eggs will it require from January 1 to February 11 ? 820 1224 525 987 820 1224 525 987 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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