Number System Four-fifth of a number is 10 more than two-third of the same number. What is the number? 75 35 89 91 75 35 89 91 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 75
Number System The difference between a two-digit number and the number obtained by interchanging the two digits is 63. Which is the smaller of the two numbers? 92 70 Cannot be determined 29 92 70 Cannot be determined 29 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Let the ten's digit be x and units digit by y.Then,(10x + y) - (10y + x) = 639(x - y) = 63x - y = 7Thus, none of the numbers can be determined.
Number System In how many different ways can the letters of the word 'LEASE' be arranged ? 80 60 None of these 40 80 60 None of these 40 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP The world LEASE consists of 5 letters in which E comes twice ∴ 51/21 = 5x4x3x2x1/2x1 = 60
Number System Find the nearest to 25268 which is exactly divisible by 467? 25208 25218 25228 25308 25208 25218 25228 25308 ANSWER DOWNLOAD EXAMIANS APP
Number System What is the sum of 1 + 2 + 3+ ... + 27 ? 396 378 382 343 396 378 382 343 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Sum = 27 x (27 + 1)/2= 27 x 28/2= 27 x 14= 378
Number System If the sum of one-half of a number exceeds one-third of that number by 7 1/3, the number is: 15 18 20 30 15 18 20 30 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Let the number be x. Then,(1/2 x + 1/5 x) - 1/3 x = 22/311/30 x = 22/3x = 20
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