Number System In how many different ways can the letters of the word 'LEASE' be arranged ? None of these 80 40 60 None of these 80 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 Which is the smallest fractions among the following ? 13/15 11/13 27/31 15/19 13/15 11/13 27/31 15/19 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 11/13 = 0.8461,13/15 = 0.8666,27/31 = 0.87,15/19 = 0.789
Number System Three numbers which are co-prime to one another are such that the product of the first two 551 and that of the last two is 1073. The sum of the three numbers is 85 110 74 93 85 110 74 93 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 85
Number System 84 * 29 + 365 = ? - 2801 2436 - 2071 2801 - 2801 2436 - 2071 2801 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP - 84 * (30 - 1) + 365= - (84 * 30) + 84 + 365= - 2520 + 449 = - 2071
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
Number System 17580 x 1.8 - 13720 x 2.1 = ? x 2.4 1140 1120 1180 1160 1140 1120 1180 1160 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 2.4 x ? = 31644 - 28812 = 2832∴ ? = 2832/2.4= 1180
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