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 What is the difference between the largest number and the least number written with the figures 3, 4, 7, 0, 3? 43883 43983 43893 70983 43883 43983 43893 70983 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 74330 Largest30347 Smallest-------------43983
Number System If R2 = S3 = K, where R, S and K are integers. Find the smallest positive integral value of K. (Greater than 1) 88 75 64 54 88 75 64 54 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 64
Number System The product of two successive numbers is 4556. Which of the following is the larger of the two numbers? 63 78 68 67 63 78 68 67 ANSWER DOWNLOAD EXAMIANS APP
Number System What is the average of the following set of numbers ? 173, 192, 198, 204, 211, 223, 227 210 204 234 222 210 204 234 222 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Avg = 173 + 192 + 198 + 204 + 211 + 223 + 227/7 = 1428/7 = 204
Number System The difference between 45% of a number and 18% of the same number is 145.8. What is 30% of that number ? 245 141 188 162 245 141 188 162 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Let the number be x.45% of x - 18% of x = 145.8∴ x/100 (45 - 18) = 145.8∴ x = 145.8 x 100/27 = 540∴ 30% of 540 = 540 x 30/100 = 162
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